specify a version for sharedb-mongo instead of latest

packages/pathway-mapper-standalone/package.json

@@ -22,11 +22,11 @@
     "jquery": "^3.2.1",
     "mobx": "^6.0.0",
     "mobx-react": "^6.0.0",
+    "pathway-mapper": "2.3.0",
     "react": "16.8.6",
     "react-bootstrap": "0.32.4",
     "react-dom": "16.8.6",
     "react-loader-spinner": "2.3.0",
-    "pathway-mapper": "2.3.0",
     "react-scrollbar": "0.5.6",
     "react-table": "6.10.0",
     "react-toastify": "5.3.2",
@@ -73,7 +73,7 @@
     "replace-in-file": "^3.4.2",
     "rimraf": "^2.6.2",
     "semantic-release": "^15.9.16",
-    "sharedb-mongo": "latest",
+    "sharedb-mongo": "^3.0.1",
     "shelljs": "^0.8.3",
     "source-map-loader": "^0.1.6",
     "travis-deploy-once": "^5.0.9",

yarn.lock

@@ -16869,7 +16869,7 @@ shallow-clone@^1.0.0:
     kind-of "^5.0.0"
     mixin-object "^2.0.1"
 
-sharedb-mongo@latest:
+sharedb-mongo@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/sharedb-mongo/-/sharedb-mongo-3.0.1.tgz#7a9ff5062dac95e32968d9b66555818648720426"
   integrity sha512-IXoSjPgZ+pCgybUHcUXPwSX597W2qGi/DKfN9MRABw6GKS+EALLkvG5PgFdpxHXNXoDJpEjDXAY0D78rdhrGMg==