diff --git a/ghost/members-ssr/package.json b/ghost/members-ssr/package.json
index 2873f94902..1fae91a8fb 100644
--- a/ghost/members-ssr/package.json
+++ b/ghost/members-ssr/package.json
@@ -16,7 +16,7 @@
     "lib"
   ],
   "devDependencies": {
-    "keypair": "^1.0.1",
+    "keypair": "1.0.1",
     "mocha": "6.1.4",
     "should": "13.2.3",
     "sinon": "7.3.2"