diff --git a/lib/bot.js b/lib/bot.js
index db0390ff..32583dea 100644
--- a/lib/bot.js
+++ b/lib/bot.js
@@ -479,21 +479,23 @@ module.exports = ( function () {
 		// this should only be used internally (see #84)
 		doEdit( type, title, summary, params, callback ) {
 			const self = this;
-
-			if ( this.dryRun ) {
-				callback( new Error( 'In dry-run mode' ) );
-				return;
-			}
-
 			// @see http://www.mediawiki.org/wiki/API:Edit
-			this.getToken( title, 'edit', function ( err, token ) {
-				if ( err ) {
-					callback( err );
-					return;
-				}
-
+			let doWithToken, doAfterToken;
+			doWithToken = function () {
+				self.obtainigToken = true;
+				self.getToken( title, 'edit', function ( err, token ) {
+					self.obtainigToken = false;
+					if ( err ) {
+						callback( err );
+						return;
+					}
+					self.editToken = token;
+					doAfterToken();
+				} );
+			};
+			doAfterToken = function () {
 				self.log( `Editing '${title}' with a summary '${summary}' (${type})...` );
-
+				let token = self.editToken;
 				const editParams = _.extend( {
 					action: 'edit',
 					bot: '',
@@ -503,14 +505,36 @@ module.exports = ( function () {
 				}, params );
 
 				self.api.call( editParams, function ( err, data ) {
-					if ( !err && data.result && data.result === 'Success' ) {
+					// check if token expired
+					if ( err === 'Error returned by API: Invalid CSRF token' ) {
+						doWithToken();
+					} else if ( !err && data.result && data.result === 'Success' ) {
 						self.log( 'Rev #%d created for \'%s\'', data.newrevid, data.title );
 						callback( null, data );
 					} else {
 						callback( err || data );
 					}
 				}, 'POST' );
-			} );
+			};
+			if ( this.dryRun ) {
+				callback( new Error( 'In dry-run mode' ) );
+				return;
+			}
+			if ( !self.editToken ) {
+				doWithToken();
+			} else if ( self.obtainigToken ) {
+				// waint to some else to set token
+				let waitingToken = setInterval( () => {
+					if ( !self.obtainigToken ) {
+						if ( self.editToken ) {
+							clearInterval( waitingToken );
+							doAfterToken();
+						}
+					}
+				}, 20 );
+			} else {
+				doAfterToken();
+			}
 		},
 
 		edit( title, content, summary, minor, callback ) {
diff --git a/package-lock.json b/package-lock.json
index 6daed8af..18e8a743 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -20,10 +20,10 @@
       "dev": true,
       "requires": {
         "@babel/types": "7.0.0-beta.46",
-        "jsesc": "^2.5.1",
-        "lodash": "^4.2.0",
-        "source-map": "^0.5.0",
-        "trim-right": "^1.0.1"
+        "jsesc": "2.5.1",
+        "lodash": "4.17.10",
+        "source-map": "0.5.7",
+        "trim-right": "1.0.1"
       }
     },
     "@babel/helper-function-name": {
@@ -61,9 +61,9 @@
       "integrity": "sha512-r4snW6Q8ICL3Y8hGzYJRvyG/+sc+kvkewXNedG9tQjoHmUFMwMSv/o45GWQUQswevGnWghiGkpRPivFfOuMsOA==",
       "dev": true,
       "requires": {
-        "chalk": "^2.0.0",
-        "esutils": "^2.0.2",
-        "js-tokens": "^3.0.0"
+        "chalk": "2.4.1",
+        "esutils": "2.0.2",
+        "js-tokens": "3.0.2"
       }
     },
     "@babel/template": {
@@ -75,7 +75,7 @@
         "@babel/code-frame": "7.0.0-beta.46",
         "@babel/types": "7.0.0-beta.46",
         "babylon": "7.0.0-beta.46",
-        "lodash": "^4.2.0"
+        "lodash": "4.17.10"
       }
     },
     "@babel/traverse": {
@@ -90,10 +90,10 @@
         "@babel/helper-split-export-declaration": "7.0.0-beta.46",
         "@babel/types": "7.0.0-beta.46",
         "babylon": "7.0.0-beta.46",
-        "debug": "^3.1.0",
-        "globals": "^11.1.0",
-        "invariant": "^2.2.0",
-        "lodash": "^4.2.0"
+        "debug": "3.1.0",
+        "globals": "11.5.0",
+        "invariant": "2.2.4",
+        "lodash": "4.17.10"
       }
     },
     "@babel/types": {
@@ -102,9 +102,9 @@
       "integrity": "sha512-uA5aruF2KKsJxToWdDpftsrPOIQtoGrGno2hiaeO9JRvfT9xZdK11nPoC+/RF9emNzmNbWn4HCRdCY+McT5Nbw==",
       "dev": true,
       "requires": {
-        "esutils": "^2.0.2",
-        "lodash": "^4.2.0",
-        "to-fast-properties": "^2.0.0"
+        "esutils": "2.0.2",
+        "lodash": "4.17.10",
+        "to-fast-properties": "2.0.0"
       }
     },
     "@types/babel-traverse": {
@@ -113,7 +113,7 @@
       "integrity": "sha512-4FaulWyA7nrXPkzoukL2VmSpxCnBZwc+MgwZqO30gtHCrtaUXnoxymdYfxzf3CZN80zjtrVzKfLlZ7FPYvrhQQ==",
       "dev": true,
       "requires": {
-        "@types/babel-types": "*"
+        "@types/babel-types": "7.0.2"
       }
     },
     "@types/babel-types": {
@@ -134,18 +134,19 @@
       "integrity": "sha512-JY+iV6r+cO21KtntVvFkD+iqjtdpRUpGqKWgfkCdZq1R+kbreEl8EcdcJR4SmiIgsIQT33s6QzheQ9a275Q8xw==",
       "dev": true,
       "requires": {
-        "acorn": "^5.0.3"
+        "acorn": "5.7.3"
       }
     },
     "ajv": {
-      "version": "5.5.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
-      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "version": "6.5.4",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.4.tgz",
+      "integrity": "sha512-4Wyjt8+t6YszqaXnLDfMmG/8AlO5Zbcsy3ATHncCzjW/NoPzAId8AK6749Ybjmdt+kUY1gP60fCu46oDxPv/mg==",
+      "dev": true,
       "requires": {
-        "co": "^4.6.0",
-        "fast-deep-equal": "^1.0.0",
-        "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.3.0"
+        "fast-deep-equal": "2.0.1",
+        "fast-json-stable-stringify": "2.0.0",
+        "json-schema-traverse": "0.4.1",
+        "uri-js": "4.2.2"
       }
     },
     "ajv-keywords": {
@@ -177,7 +178,7 @@
       "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
       "dev": true,
       "requires": {
-        "sprintf-js": "~1.0.2"
+        "sprintf-js": "1.0.3"
       }
     },
     "array-union": {
@@ -186,7 +187,7 @@
       "integrity": "sha1-mjRBDk9OPaI96jdb5b5w8kd47Dk=",
       "dev": true,
       "requires": {
-        "array-uniq": "^1.0.1"
+        "array-uniq": "1.0.3"
       }
     },
     "array-uniq": {
@@ -206,7 +207,7 @@
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
       "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
       "requires": {
-        "safer-buffer": "~2.1.0"
+        "safer-buffer": "2.1.2"
       }
     },
     "assert-plus": {
@@ -219,7 +220,7 @@
       "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
       "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
       "requires": {
-        "lodash": "^4.17.10"
+        "lodash": "4.17.10"
       }
     },
     "asynckit": {
@@ -255,7 +256,7 @@
       "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
       "optional": true,
       "requires": {
-        "tweetnacl": "^0.14.3"
+        "tweetnacl": "0.14.5"
       }
     },
     "brace-expansion": {
@@ -264,7 +265,7 @@
       "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
       "dev": true,
       "requires": {
-        "balanced-match": "^1.0.0",
+        "balanced-match": "1.0.0",
         "concat-map": "0.0.1"
       }
     },
@@ -274,7 +275,7 @@
       "integrity": "sha1-lAhe9jWB7NPaqSREqP6U6CV3dR8=",
       "dev": true,
       "requires": {
-        "callsites": "^0.2.0"
+        "callsites": "0.2.0"
       }
     },
     "callsites": {
@@ -294,9 +295,9 @@
       "integrity": "sha512-ObN6h1v2fTJSmUXoS3nMQ92LbDK9be4TV+6G+omQlGJFdcUX5heKi1LZ1YnRMIgwTLEj3E24bT6tYni50rlCfQ==",
       "dev": true,
       "requires": {
-        "ansi-styles": "^3.2.1",
-        "escape-string-regexp": "^1.0.5",
-        "supports-color": "^5.3.0"
+        "ansi-styles": "3.2.1",
+        "escape-string-regexp": "1.0.5",
+        "supports-color": "5.4.0"
       },
       "dependencies": {
         "ansi-styles": {
@@ -305,7 +306,7 @@
           "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
           "dev": true,
           "requires": {
-            "color-convert": "^1.9.0"
+            "color-convert": "1.9.1"
           }
         },
         "supports-color": {
@@ -314,7 +315,7 @@
           "integrity": "sha512-zjaXglF5nnWpsq470jSv6P9DwPvgLkuapYmfDm3JWOm0vkNTVF2tI4UrN2r6jH1qM/uc/WtxYY1hYoA2dOKj5w==",
           "dev": true,
           "requires": {
-            "has-flag": "^3.0.0"
+            "has-flag": "3.0.0"
           }
         }
       }
@@ -337,7 +338,7 @@
       "integrity": "sha1-s12sN2R5+sw+lHR9QdDQ9SOP/LU=",
       "dev": true,
       "requires": {
-        "restore-cursor": "^2.0.0"
+        "restore-cursor": "2.0.0"
       }
     },
     "cli-width": {
@@ -357,7 +358,7 @@
       "integrity": "sha1-wSYRB66y8pTr/+ye2eytUppgl+0=",
       "dev": true,
       "requires": {
-        "color-name": "^1.1.1"
+        "color-name": "1.1.3"
       }
     },
     "color-name": {
@@ -376,7 +377,7 @@
       "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
       "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
       "requires": {
-        "delayed-stream": "~1.0.0"
+        "delayed-stream": "1.0.0"
       }
     },
     "concat-map": {
@@ -396,11 +397,11 @@
       "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
       "dev": true,
       "requires": {
-        "nice-try": "^1.0.4",
-        "path-key": "^2.0.1",
-        "semver": "^5.5.0",
-        "shebang-command": "^1.2.0",
-        "which": "^1.2.9"
+        "nice-try": "1.0.5",
+        "path-key": "2.0.1",
+        "semver": "5.5.1",
+        "shebang-command": "1.2.0",
+        "which": "1.3.1"
       }
     },
     "csv-string": {
@@ -419,7 +420,7 @@
       "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
       "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
       "requires": {
-        "assert-plus": "^1.0.0"
+        "assert-plus": "1.0.0"
       }
     },
     "debug": {
@@ -443,13 +444,13 @@
       "integrity": "sha1-wSyYHQZ4RshLyvhiz/kw2Qf/0ag=",
       "dev": true,
       "requires": {
-        "globby": "^5.0.0",
-        "is-path-cwd": "^1.0.0",
-        "is-path-in-cwd": "^1.0.0",
-        "object-assign": "^4.0.1",
-        "pify": "^2.0.0",
-        "pinkie-promise": "^2.0.0",
-        "rimraf": "^2.2.8"
+        "globby": "5.0.0",
+        "is-path-cwd": "1.0.0",
+        "is-path-in-cwd": "1.0.1",
+        "object-assign": "4.1.1",
+        "pify": "2.3.0",
+        "pinkie-promise": "2.0.1",
+        "rimraf": "2.6.2"
       }
     },
     "delayed-stream": {
@@ -468,7 +469,7 @@
       "integrity": "sha512-35mSku4ZXK0vfCuHEDAwt55dg2jNajHZ1odvF+8SSr82EsZY4QmXfuWso8oEd8zRhVObSN18aM0CjSdoBX7zIw==",
       "dev": true,
       "requires": {
-        "esutils": "^2.0.2"
+        "esutils": "2.0.2"
       }
     },
     "ecc-jsbn": {
@@ -477,8 +478,8 @@
       "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
       "optional": true,
       "requires": {
-        "jsbn": "~0.1.0",
-        "safer-buffer": "^2.1.0"
+        "jsbn": "0.1.1",
+        "safer-buffer": "2.1.2"
       }
     },
     "escape-string-regexp": {
@@ -493,44 +494,44 @@
       "integrity": "sha512-/eVYs9VVVboX286mBK7bbKnO1yamUy2UCRjiY6MryhQL2PaaXCExsCQ2aO83OeYRhU2eCU/FMFP+tVMoOrzNrA==",
       "dev": true,
       "requires": {
-        "@babel/code-frame": "^7.0.0",
-        "ajv": "^6.5.3",
-        "chalk": "^2.1.0",
-        "cross-spawn": "^6.0.5",
-        "debug": "^3.1.0",
-        "doctrine": "^2.1.0",
-        "eslint-scope": "^4.0.0",
-        "eslint-utils": "^1.3.1",
-        "eslint-visitor-keys": "^1.0.0",
-        "espree": "^4.0.0",
-        "esquery": "^1.0.1",
-        "esutils": "^2.0.2",
-        "file-entry-cache": "^2.0.0",
-        "functional-red-black-tree": "^1.0.1",
-        "glob": "^7.1.2",
-        "globals": "^11.7.0",
-        "ignore": "^4.0.6",
-        "imurmurhash": "^0.1.4",
-        "inquirer": "^6.1.0",
-        "is-resolvable": "^1.1.0",
-        "js-yaml": "^3.12.0",
-        "json-stable-stringify-without-jsonify": "^1.0.1",
-        "levn": "^0.3.0",
-        "lodash": "^4.17.5",
-        "minimatch": "^3.0.4",
-        "mkdirp": "^0.5.1",
-        "natural-compare": "^1.4.0",
-        "optionator": "^0.8.2",
-        "path-is-inside": "^1.0.2",
-        "pluralize": "^7.0.0",
-        "progress": "^2.0.0",
-        "regexpp": "^2.0.0",
-        "require-uncached": "^1.0.3",
-        "semver": "^5.5.1",
-        "strip-ansi": "^4.0.0",
-        "strip-json-comments": "^2.0.1",
-        "table": "^4.0.3",
-        "text-table": "^0.2.0"
+        "@babel/code-frame": "7.0.0",
+        "ajv": "6.5.3",
+        "chalk": "2.4.1",
+        "cross-spawn": "6.0.5",
+        "debug": "3.1.0",
+        "doctrine": "2.1.0",
+        "eslint-scope": "4.0.0",
+        "eslint-utils": "1.3.1",
+        "eslint-visitor-keys": "1.0.0",
+        "espree": "4.0.0",
+        "esquery": "1.0.1",
+        "esutils": "2.0.2",
+        "file-entry-cache": "2.0.0",
+        "functional-red-black-tree": "1.0.1",
+        "glob": "7.1.2",
+        "globals": "11.7.0",
+        "ignore": "4.0.6",
+        "imurmurhash": "0.1.4",
+        "inquirer": "6.2.0",
+        "is-resolvable": "1.1.0",
+        "js-yaml": "3.12.0",
+        "json-stable-stringify-without-jsonify": "1.0.1",
+        "levn": "0.3.0",
+        "lodash": "4.17.10",
+        "minimatch": "3.0.4",
+        "mkdirp": "0.5.1",
+        "natural-compare": "1.4.0",
+        "optionator": "0.8.2",
+        "path-is-inside": "1.0.2",
+        "pluralize": "7.0.0",
+        "progress": "2.0.0",
+        "regexpp": "2.0.0",
+        "require-uncached": "1.0.3",
+        "semver": "5.5.1",
+        "strip-ansi": "4.0.0",
+        "strip-json-comments": "2.0.1",
+        "table": "4.0.3",
+        "text-table": "0.2.0"
       },
       "dependencies": {
         "@babel/code-frame": {
@@ -539,7 +540,7 @@
           "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
           "dev": true,
           "requires": {
-            "@babel/highlight": "^7.0.0"
+            "@babel/highlight": "7.0.0"
           }
         },
         "@babel/highlight": {
@@ -548,9 +549,9 @@
           "integrity": "sha512-UFMC4ZeFC48Tpvj7C8UgLvtkaUuovQX+5xNWrsIoMG8o2z+XFKjKaN9iVmS84dPwVN00W4wPmqvYoZF3EGAsfw==",
           "dev": true,
           "requires": {
-            "chalk": "^2.0.0",
-            "esutils": "^2.0.2",
-            "js-tokens": "^4.0.0"
+            "chalk": "2.4.1",
+            "esutils": "2.0.2",
+            "js-tokens": "4.0.0"
           }
         },
         "ajv": {
@@ -559,10 +560,10 @@
           "integrity": "sha512-LqZ9wY+fx3UMiiPd741yB2pj3hhil+hQc8taf4o2QGRFpWgZ2V5C8HA165DY9sS3fJwsk7uT7ZlFEyC3Ig3lLg==",
           "dev": true,
           "requires": {
-            "fast-deep-equal": "^2.0.1",
-            "fast-json-stable-stringify": "^2.0.0",
-            "json-schema-traverse": "^0.4.1",
-            "uri-js": "^4.2.2"
+            "fast-deep-equal": "2.0.1",
+            "fast-json-stable-stringify": "2.0.0",
+            "json-schema-traverse": "0.4.1",
+            "uri-js": "4.2.2"
           }
         },
         "fast-deep-equal": {
@@ -597,14 +598,20 @@
       "integrity": "sha512-OZek/p8znJuYoSlGR1S01ANOKQ5jRgMmgbtKnwERw6xfdykweGYoEz7FHRNWs4hTfi/RpquV88L4rbFOPR1zoQ==",
       "dev": true
     },
+    "eslint-plugin-qunit": {
+      "version": "3.3.1",
+      "resolved": "https://registry.npmjs.org/eslint-plugin-qunit/-/eslint-plugin-qunit-3.3.1.tgz",
+      "integrity": "sha512-entAEwuXE1GU9NaOAJkufuDszOmGWDnNvmY7AP64GZFB55mg2UivCz6//UKFVjvtjQRYW37OLIoIks4ajG4BRA==",
+      "dev": true
+    },
     "eslint-scope": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-4.0.0.tgz",
       "integrity": "sha512-1G6UTDi7Jc1ELFwnR58HV4fK9OQK4S6N985f166xqXxpjU6plxFISJa2Ba9KCQuFa8RCnj/lSFJbHo7UFDBnUA==",
       "dev": true,
       "requires": {
-        "esrecurse": "^4.1.0",
-        "estraverse": "^4.1.1"
+        "esrecurse": "4.2.1",
+        "estraverse": "4.2.0"
       }
     },
     "eslint-utils": {
@@ -625,14 +632,14 @@
       "integrity": "sha512-hMlaFOLLFgCpi9E08z8sLAW1QtLP8vz4siUefTu8vhHNr1DtbE/gTqkpjU8kMnGNvSSHOlZJDQSkz3tvbzCpDQ==",
       "dev": true,
       "requires": {
-        "@babel/traverse": "^7.0.0-beta.42",
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       }
     },
     "source-map": {
@@ -1432,15 +1464,15 @@
       "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.2.tgz",
       "integrity": "sha1-xvxhZIo9nE52T9P8306hBeSSupg=",
       "requires": {
-        "asn1": "~0.2.3",
-        "assert-plus": "^1.0.0",
-        "bcrypt-pbkdf": "^1.0.0",
-        "dashdash": "^1.12.0",
-        "ecc-jsbn": "~0.1.1",
-        "getpass": "^0.1.1",
-        "jsbn": "~0.1.0",
-        "safer-buffer": "^2.0.2",
-        "tweetnacl": "~0.14.0"
+        "asn1": "0.2.4",
+        "assert-plus": "1.0.0",
+        "bcrypt-pbkdf": "1.0.2",
+        "dashdash": "1.14.1",
+        "ecc-jsbn": "0.1.2",
+        "getpass": "0.1.7",
+        "jsbn": "0.1.1",
+        "safer-buffer": "2.1.2",
+        "tweetnacl": "0.14.5"
       }
     },
     "stack-trace": {
@@ -1454,8 +1486,8 @@
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       "dev": true,
       "requires": {
-        "is-fullwidth-code-point": "^2.0.0",
-        "strip-ansi": "^4.0.0"
+        "is-fullwidth-code-point": "2.0.0",
+        "strip-ansi": "4.0.0"
       }
     },
     "strip-ansi": {
@@ -1464,7 +1496,7 @@
       "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
       "dev": true,
       "requires": {
-        "ansi-regex": "^3.0.0"
+        "ansi-regex": "3.0.0"
       }
     },
     "strip-indent": {
@@ -1485,12 +1517,12 @@
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       "dev": true,
       "requires": {
-        "ajv": "^6.0.1",
-        "ajv-keywords": "^3.0.0",
-        "chalk": "^2.1.0",
-        "lodash": "^4.17.4",
+        "ajv": "6.5.3",
+        "ajv-keywords": "3.2.0",
+        "chalk": "2.4.1",
+        "lodash": "4.17.10",
         "slice-ansi": "1.0.0",
-        "string-width": "^2.1.1"
+        "string-width": "2.1.1"
       },
       "dependencies": {
         "ajv": {
@@ -1499,10 +1531,10 @@
           "integrity": "sha512-LqZ9wY+fx3UMiiPd741yB2pj3hhil+hQc8taf4o2QGRFpWgZ2V5C8HA165DY9sS3fJwsk7uT7ZlFEyC3Ig3lLg==",
           "dev": true,
           "requires": {
-            "fast-deep-equal": "^2.0.1",
-            "fast-json-stable-stringify": "^2.0.0",
-            "json-schema-traverse": "^0.4.1",
-            "uri-js": "^4.2.2"
+            "fast-deep-equal": "2.0.1",
+            "fast-json-stable-stringify": "2.0.0",
+            "json-schema-traverse": "0.4.1",
+            "uri-js": "4.2.2"
           }
         },
         "fast-deep-equal": {
@@ -1537,7 +1569,7 @@
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       "dev": true,
       "requires": {
-        "os-tmpdir": "~1.0.2"
+        "os-tmpdir": "1.0.2"
       }
     },
     "to-fast-properties": {
@@ -1551,8 +1583,8 @@
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
       "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
       "requires": {
-        "psl": "^1.1.24",
-        "punycode": "^1.4.1"
+        "psl": "1.1.29",
+        "punycode": "1.4.1"
       }
     },
     "trim-right": {
@@ -1572,7 +1604,7 @@
       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
       "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
       "requires": {
-        "safe-buffer": "^5.0.1"
+        "safe-buffer": "5.1.2"
       }
     },
     "tweetnacl": {
@@ -1587,7 +1619,7 @@
       "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
       "dev": true,
       "requires": {
-        "prelude-ls": "~1.1.2"
+        "prelude-ls": "1.1.2"
       }
     },
     "underscore": {
@@ -1601,7 +1633,7 @@
       "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
       "dev": true,
       "requires": {
-        "punycode": "^2.1.0"
+        "punycode": "2.1.1"
       },
       "dependencies": {
         "punycode": {
@@ -1622,9 +1654,9 @@
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
       "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
       "requires": {
-        "assert-plus": "^1.0.0",
+        "assert-plus": "1.0.0",
         "core-util-is": "1.0.2",
-        "extsprintf": "^1.2.0"
+        "extsprintf": "1.3.0"
       }
     },
     "vlq": {
@@ -1639,9 +1671,9 @@
       "integrity": "sha1-aR95qybM3oC6cm3en+yOc9a88us=",
       "dev": true,
       "requires": {
-        "diff": "~1.0.8",
-        "eyes": "~0.1.6",
-        "glob": "^7.1.2"
+        "diff": "1.0.8",
+        "eyes": "0.1.8",
+        "glob": "7.1.2"
       },
       "dependencies": {
         "diff": {
@@ -1658,7 +1690,7 @@
       "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
       "dev": true,
       "requires": {
-        "isexe": "^2.0.0"
+        "isexe": "2.0.0"
       }
     },
     "winston": {
@@ -1666,12 +1698,12 @@
       "resolved": "https://registry.npmjs.org/winston/-/winston-2.4.4.tgz",
       "integrity": "sha512-NBo2Pepn4hK4V01UfcWcDlmiVTs7VTB1h7bgnB0rgP146bYhMxX0ypCz3lBOfNxCO4Zuek7yeT+y/zM1OfMw4Q==",
       "requires": {
-        "async": "~1.0.0",
-        "colors": "1.0.x",
-        "cycle": "1.0.x",
-        "eyes": "0.1.x",
-        "isstream": "0.1.x",
-        "stack-trace": "0.0.x"
+        "async": "1.0.0",
+        "colors": "1.0.3",
+        "cycle": "1.0.3",
+        "eyes": "0.1.8",
+        "isstream": "0.1.2",
+        "stack-trace": "0.0.10"
       },
       "dependencies": {
         "async": {
@@ -1699,7 +1731,7 @@
       "integrity": "sha1-X8A4KOJkzqP+kUVUdvejxWbLB1c=",
       "dev": true,
       "requires": {
-        "mkdirp": "^0.5.1"
+        "mkdirp": "0.5.1"
       }
     }
   }
diff --git a/package.json b/package.json
index 53f5d201..61690b80 100644
--- a/package.json
+++ b/package.json
@@ -30,9 +30,11 @@
     "winston": "^2.4.4"
   },
   "devDependencies": {
+    "ajv": "^6.5.4",
     "csv-string": "^3.1.5",
     "eslint": "^5.6.0",
     "eslint-config-wikimedia": "^0.8.1",
+    "eslint-plugin-qunit": "^3.3.1",
     "esnext": "^3.3.1",
     "vows": "^0.8.2"
   },