diff --git a/docker-compose.test.yml b/docker-compose.test.yml
index 5c9bea59e..c07a9e7f9 100644
--- a/docker-compose.test.yml
+++ b/docker-compose.test.yml
@@ -10,8 +10,8 @@ services:
       - MONGODB_URL=mongodb://db:27017/test
       - OPLOG_MONGODB_URL=mongodb://db:27017/local
   db:
-    image: mongo:3.4
+    image: mongo:2.4.14
     command: mongod --replSet rs0 --oplogSize 20 --noprealloc  --smallfiles --nojournal
   initReplicaset:
-    image: mongo:3.4
+    image: mongo:2.4.14
     command: bash -c "sleep 3 && mongo admin --host db:27017 --eval 'printjson(rs.initiate());'"
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 97318cece..4f6ed9129 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -2,538 +2,933 @@
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-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.5.tgz"
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diff --git a/package.json b/package.json
index 31d3e153d..6c5f4ad43 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
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     "mongoose": "4.2.8",
     "node-uuid": "^1.4.3",