diff --git a/package.json b/package.json
index 53292a68a..267b23060 100644
--- a/package.json
+++ b/package.json
@@ -79,9 +79,11 @@
     "@polymer/iron-list": "^3.1.0",
     "@polymer/iron-test-helpers": "^3.0.0",
     "@rollup/plugin-node-resolve": "^11.0.0",
-    "@web/dev-server": "^0.1.8",
-    "@web/test-runner": "^0.12.7",
-    "@web/test-runner-saucelabs": "^0.4.1",
+    "@web/dev-server": "0.1.11",
+    "@web/dev-server-core": "0.3.8",
+    "@web/test-runner": "0.12.19",
+    "@web/test-runner-core": "0.10.14",
+    "@web/test-runner-saucelabs": "0.4.1",
     "eslint": "^7.13.0",
     "eslint-config-prettier": "^6.15.0",
     "eslint-plugin-prettier": "^3.1.4",