Pin down logger version number

services/real-time/package.json

@@ -15,7 +15,7 @@
     "cookie-parser": "^1.3.3",
     "express": "^4.10.1",
     "express-session": "^1.9.1",
-    "logger-sharelatex": "git+https://github.com/sharelatex/logger-sharelatex.git#master",
+    "logger-sharelatex": "git+https://github.com/sharelatex/logger-sharelatex.git#v1.1.0",
     "metrics-sharelatex": "git+https://github.com/sharelatex/metrics-sharelatex.git#v1.3.0",
     "redis-sharelatex": "0.0.9",
     "request": "~2.34.0",