diff --git a/integrationTests/ts/package.json b/integrationTests/ts/package.json
index dd35e56464..7a92758f9f 100644
--- a/integrationTests/ts/package.json
+++ b/integrationTests/ts/package.json
@@ -5,17 +5,6 @@
   },
   "dependencies": {
     "graphql": "file:../graphql.tgz",
-    "typescript-2.6": "npm:typescript@2.6.x",
-    "typescript-2.7": "npm:typescript@2.7.x",
-    "typescript-2.8": "npm:typescript@2.8.x",
-    "typescript-2.9": "npm:typescript@2.9.x",
-    "typescript-3.0": "npm:typescript@3.0.x",
-    "typescript-3.1": "npm:typescript@3.1.x",
-    "typescript-3.2": "npm:typescript@3.2.x",
-    "typescript-3.3": "npm:typescript@3.3.x",
-    "typescript-3.4": "npm:typescript@3.4.x",
-    "typescript-3.5": "npm:typescript@3.5.x",
-    "typescript-3.6": "npm:typescript@3.6.x",
     "typescript-3.7": "npm:typescript@3.7.x",
     "typescript-3.8": "npm:typescript@3.8.x",
     "typescript-3.9": "npm:typescript@3.9.x",
diff --git a/src/index.d.ts b/src/index.d.ts
index afa427e168..a677014b3c 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -1,4 +1,4 @@
-// Minimum TypeScript Version: 2.6
+// Minimum TypeScript Version: 3.7
 
 /**
  * GraphQL.js provides a reference implementation for the GraphQL specification