diff --git a/packages/jsii/package.json b/packages/jsii/package.json
index e2e40b6435..90398772de 100644
--- a/packages/jsii/package.json
+++ b/packages/jsii/package.json
@@ -43,7 +43,7 @@
         "semver": "^5.6.0",
         "sort-json": "^2.0.0",
         "spdx-license-list": "^5.0.0",
-        "typescript": "^3.2.4",
+        "typescript": "3.2.4",
         "yargs": "^12.0.5"
     },
     "nyc": {