diff --git a/typespec/package-lock.json b/typespec/package-lock.json
index 528c772460..a28d4d3a7a 100644
--- a/typespec/package-lock.json
+++ b/typespec/package-lock.json
@@ -14,7 +14,7 @@
         "@azure-tools/typespec-azure-resource-manager": "~0.52.0",
         "@typespec/compiler": "~0.66.0",
         "@typespec/http": "~0.66.0",
-        "@typespec/openapi": "~0.66.0",
+        "@typespec/openapi": "~1.3.0",
         "@typespec/rest": "~0.66.0",
         "@typespec/versioning": "~0.66.0"
       }
@@ -1053,16 +1053,16 @@
       }
     },
     "node_modules/@typespec/openapi": {
-      "version": "0.66.0",
-      "resolved": "https://registry.npmjs.org/@typespec/openapi/-/openapi-0.66.0.tgz",
-      "integrity": "sha512-Oiwx2glN5bET4C3cuU5DIhd7nL/wBi+tg1KGBx0bU4KogLaGf+BLW5ak0Epxnvhy8VYvPhCpTGbez0I6gkEOwA==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/@typespec/openapi/-/openapi-1.3.0.tgz",
+      "integrity": "sha512-BSeshjCZQodVGyVHn7ytcUeIcUGjqbG2Ac0NLOQaaKnISVrhTWNcgo5aFTqxAa24ZL/EuhqlSauLyYce2EV9fw==",
       "license": "MIT",
       "engines": {
-        "node": ">=18.0.0"
+        "node": ">=20.0.0"
       },
       "peerDependencies": {
-        "@typespec/compiler": "~0.66.0",
-        "@typespec/http": "~0.66.0"
+        "@typespec/compiler": "^1.3.0",
+        "@typespec/http": "^1.3.0"
       }
     },
     "node_modules/@typespec/rest": {
diff --git a/typespec/package.json b/typespec/package.json
index 9cd8ffc3ef..a4ac859f69 100644
--- a/typespec/package.json
+++ b/typespec/package.json
@@ -8,7 +8,7 @@
     "@azure-tools/typespec-azure-core": "~0.52.0",
     "@azure-tools/typespec-azure-resource-manager": "~0.52.0",
     "@typespec/http": "~0.66.0",
-    "@typespec/openapi": "~0.66.0",
+    "@typespec/openapi": "~1.3.0",
     "@typespec/rest": "~0.66.0",
     "@typespec/versioning": "~0.66.0"
   },