diff --git a/types/mongodb/tsconfig.json b/types/mongodb/tsconfig.json
index 8ed16ed7e6..aae592b3bd 100644
--- a/types/mongodb/tsconfig.json
+++ b/types/mongodb/tsconfig.json
@@ -4,7 +4,7 @@
         "lib": [
             "es6"
         ],
-        "noImplicitAny": false,
+        "noImplicitAny": true,
         "noImplicitThis": true,
         "strictNullChecks": false,
         "strictFunctionTypes": true,