lock down the version of redis

services/web/package.json

@@ -31,7 +31,7 @@
     "optimist": "0.6.1",
     "redback": "0.4.0",
     "redis": "0.10.1",
-    "redis-sharelatex": "~0.0.6",
+    "redis-sharelatex": "0.0.6",
     "request": "2.34.0",
     "rimraf": "2.2.6",
     "sanitizer": "0.1.1",