diff --git a/package.json b/package.json
index 3e69f9b..06bdce3 100644
--- a/package.json
+++ b/package.json
@@ -16,13 +16,13 @@
     "@types/express": "^4.17.7",
     "express": "^4.17.1",
     "io-ts": "^2.2.10",
-    "io-ts-types": "^0.5.10",
+    "io-ts-types": "^0.5.16",
     "typescript": "^4.0.2"
   },
   "peerDependencies": {
     "@types/express": "^4.17.7",
     "express": "^4.17.1",
     "io-ts": "^2.2.10",
-    "io-ts-types": "^0.5.10"
+    "io-ts-types": "^0.5.16"
   }
 }
\ No newline at end of file
diff --git a/yarn.lock b/yarn.lock
index 45c9d25..5de5095 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -269,10 +269,10 @@ io-ts-reporters@^1.2.2:
   resolved "https://registry.yarnpkg.com/io-ts-reporters/-/io-ts-reporters-1.2.2.tgz#4d3219777ea5219c7d8f6ffac01fd68e72426dd1"
   integrity sha512-igASwWWkDY757OutNcM6zTtdJf/eTZYkoe2ymsX2qpm5bKZLo74FJYjsCtMQOEdY7dRHLLEulCyFQwdN69GBCg==
 
-io-ts-types@^0.5.10:
-  version "0.5.10"
-  resolved "https://registry.yarnpkg.com/io-ts-types/-/io-ts-types-0.5.10.tgz#54d2400c81de2a1bc97151b07faabc9ddd3ebb07"
-  integrity sha512-QVkgEsW03wTSgZ/PCZyan0boHmkPWExQob4nZ3pOxX/YQ9iWXLGPHMqYxSV0OpE/ulJA01owqTvsvFv+SfmiGg==
+io-ts-types@^0.5.16:
+  version "0.5.16"
+  resolved "https://registry.yarnpkg.com/io-ts-types/-/io-ts-types-0.5.16.tgz#e9eed75371e217c97050cc507915e8eedc250946"
+  integrity sha512-h9noYVfY9rlbmKI902SJdnV/06jgiT2chxG6lYDxaYNp88HscPi+SBCtmcU+m0E7WT5QSwt7sIMj93+qu0FEwQ==
 
 io-ts@^2.2.10:
   version "2.2.10"