diff --git a/.versions b/.versions
new file mode 100644
index 0000000..1e2fd4c
--- /dev/null
+++ b/.versions
@@ -0,0 +1,60 @@
+accounts-base@2.2.1
+allow-deny@1.1.0
+autopublish@1.0.7
+babel-compiler@7.8.0
+babel-runtime@1.5.0
+base64@1.0.12
+binary-heap@1.0.11
+boilerplate-generator@1.7.1
+callback-hook@1.4.0
+check@1.3.1
+ddp@1.4.0
+ddp-client@2.5.0
+ddp-common@1.4.0
+ddp-rate-limiter@1.1.0
+ddp-server@2.5.0
+diff-sequence@1.1.1
+dynamic-import@0.7.2
+ecmascript@0.16.1
+ecmascript-runtime@0.8.0
+ecmascript-runtime-client@0.12.1
+ecmascript-runtime-server@0.11.0
+ejson@1.1.1
+fetch@0.1.1
+geojson-utils@1.0.10
+id-map@1.1.1
+inter-process-messaging@0.1.1
+lai:collection-extensions@0.3.0
+local-test:mikowals:batch-insert@1.3.0
+localstorage@1.2.0
+logging@1.3.1
+meteor@1.10.0
+meteortesting:browser-tests@0.1.2
+meteortesting:mocha@0.4.4
+mikowals:batch-insert@1.3.0
+minimongo@1.7.0
+modern-browsers@0.1.7
+modules@0.18.0
+modules-runtime@0.12.0
+mongo@1.13.0
+mongo-decimal@0.1.2
+mongo-dev-server@1.1.0
+mongo-id@1.0.8
+npm-mongo@3.9.1
+ordered-dict@1.1.0
+practicalmeteor:mocha-core@1.0.1
+promise@0.12.0
+random@1.2.0
+rate-limit@1.0.9
+react-fast-refresh@0.2.2
+reactive-var@1.0.11
+reload@1.3.1
+retry@1.1.0
+routepolicy@1.1.1
+service-configuration@1.3.0
+socket-stream-client@0.4.0
+tracker@1.2.0
+underscore@1.0.10
+url@1.3.2
+webapp@1.13.0
+webapp-hashing@1.1.0
diff --git a/package.js b/package.js
index 5a23438..789903d 100644
--- a/package.js
+++ b/package.js
@@ -19,7 +19,7 @@ Package.onUse(function (api) {
   api.versionsFrom('METEOR@1.10.2')
 
   api.use('npm-mongo@3.7.0 || 4.3.1-rc260.2', 'server')
-  api.use(['ecmascript', 'mongo', 'ddp', 'ejson', 'underscore', 'check', 'lai:collection-extensions'])
+  api.use(['ecmascript', 'mongo', 'ddp', 'ejson', 'underscore', 'check', 'lai:collection-extensions@0.3.0'])
   api.use('insecure', { weak: true })
   api.imply(['mongo', 'ddp'])
   api.addFiles('batch-insert-server.js', 'server')