diff --git a/tools/ts-api-guardian/package.json b/tools/ts-api-guardian/package.json
index 1df3119621..73d763e66a 100644
--- a/tools/ts-api-guardian/package.json
+++ b/tools/ts-api-guardian/package.json
@@ -20,7 +20,7 @@
   },
   "devDependencies": {
     "@types/diff": "^5.0.0",
-    "@types/jasmine": "^2.8.8",
+    "@types/jasmine": "^3.0.0",
     "@types/minimist": "^1.2.0",
     "@types/node": "^10.9.4",
     "jasmine": "^3.1.0",