diff --git a/.circleci/config.yml b/.circleci/config.yml
index 78885785aa..28a661dafe 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -29,7 +29,7 @@ jobs:
       - restore_cache:
           key: angular-{{ .Branch }}-{{ checksum "yarn.lock" }}
 
-      - run: yarn install --freeze-lockfile --non-interactive
+      - run: yarn install --frozen-lockfile --non-interactive
       - run: ./node_modules/.bin/gulp lint
 
   build:
diff --git a/aio/aio-builds-setup/dockerbuild/Dockerfile b/aio/aio-builds-setup/dockerbuild/Dockerfile
index 5bbe6c670d..7d082d1df1 100644
--- a/aio/aio-builds-setup/dockerbuild/Dockerfile
+++ b/aio/aio-builds-setup/dockerbuild/Dockerfile
@@ -156,7 +156,7 @@ RUN find $AIO_SCRIPTS_SH_DIR -maxdepth 1 -type f -printf "%P\n" \
 # Set up the Node.js scripts
 COPY scripts-js/ $AIO_SCRIPTS_JS_DIR/
 WORKDIR $AIO_SCRIPTS_JS_DIR/
-RUN yarn install --production --freeze-lockfile
+RUN yarn install --production --frozen-lockfile
 
 
 # Set up health check
diff --git a/aio/aio-builds-setup/scripts/create-image.sh b/aio/aio-builds-setup/scripts/create-image.sh
index 4d35376ef0..553b426210 100755
--- a/aio/aio-builds-setup/scripts/create-image.sh
+++ b/aio/aio-builds-setup/scripts/create-image.sh
@@ -9,7 +9,7 @@ readonly defaultImageNameAndTag="aio-builds:latest"
 # (Necessary, because only `scripts-js/dist/` is copied to the docker image.)
 (
   cd "$SCRIPTS_JS_DIR"
-  yarn install --freeze-lockfile --non-interactive
+  yarn install --frozen-lockfile --non-interactive
   yarn build
 )
 
diff --git a/aio/aio-builds-setup/scripts/test.sh b/aio/aio-builds-setup/scripts/test.sh
index b449bd8270..7bc25f9479 100755
--- a/aio/aio-builds-setup/scripts/test.sh
+++ b/aio/aio-builds-setup/scripts/test.sh
@@ -7,6 +7,6 @@ source "`dirname $0`/_env.sh"
 # Test `scripts-js/`
 (
   cd "$SCRIPTS_JS_DIR"
-  yarn install --freeze-lockfile --non-interactive
+  yarn install --frozen-lockfile --non-interactive
   yarn test
 )
diff --git a/aio/package.json b/aio/package.json
index 55ac1fb2cd..eb9cfdf5c6 100644
--- a/aio/package.json
+++ b/aio/package.json
@@ -19,7 +19,7 @@
     "test": "yarn check-env && ng test",
     "pree2e": "yarn check-env && yarn ~~update-webdriver",
     "e2e": "ng e2e --no-webdriver-update",
-    "presetup": "yarn install --freeze-lockfile && yarn ~~check-env && yarn boilerplate:remove",
+    "presetup": "yarn install --frozen-lockfile && yarn ~~check-env && yarn boilerplate:remove",
     "setup": "yarn aio-use-npm && yarn example-use-npm",
     "postsetup": "yarn boilerplate:add && yarn build-ie-polyfills && yarn generate-plunkers && yarn generate-zips && yarn docs",
     "presetup-local": "yarn presetup",
diff --git a/aio/tools/ng-packages-installer/index.js b/aio/tools/ng-packages-installer/index.js
index 90785af76f..f1dc7feffd 100644
--- a/aio/tools/ng-packages-installer/index.js
+++ b/aio/tools/ng-packages-installer/index.js
@@ -129,7 +129,7 @@ class NgPackagesInstaller {
    * Yarn will also delete the local marker file for us.
    */
   restoreNpmDependencies() {
-    this._installDeps('--freeze-lockfile', '--check-files');
+    this._installDeps('--frozen-lockfile', '--check-files');
   }
 
   // Protected helpers
diff --git a/aio/tools/ng-packages-installer/index.spec.js b/aio/tools/ng-packages-installer/index.spec.js
index 641bff294f..561c09e7c1 100644
--- a/aio/tools/ng-packages-installer/index.spec.js
+++ b/aio/tools/ng-packages-installer/index.spec.js
@@ -203,7 +203,7 @@ describe('NgPackagesInstaller', () => {
     it('should run `yarn install` in the specified directory, with the correct options', () => {
       spyOn(installer, '_installDeps');
       installer.restoreNpmDependencies();
-      expect(installer._installDeps).toHaveBeenCalledWith('--freeze-lockfile', '--check-files');
+      expect(installer._installDeps).toHaveBeenCalledWith('--frozen-lockfile', '--check-files');
     });
   });
 
diff --git a/scripts/ci/install.sh b/scripts/ci/install.sh
index de53413d75..159ef2b79a 100755
--- a/scripts/ci/install.sh
+++ b/scripts/ci/install.sh
@@ -37,7 +37,7 @@ travisFoldEnd "install-yarn"
 
 # Install all npm dependencies according to yarn.lock
 travisFoldStart "yarn-install"
-  node tools/npm/check-node-modules --purge || yarn install --freeze-lockfile --non-interactive
+  node tools/npm/check-node-modules --purge || yarn install --frozen-lockfile --non-interactive
 travisFoldEnd "yarn-install"
 
 
diff --git a/yarn.lock b/yarn.lock
index 00669f455b..c275198d0a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6194,7 +6194,7 @@ rx-lite@^3.1.2:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/rx-lite/-/rx-lite-3.1.2.tgz#19ce502ca572665f3b647b10939f97fd1615f102"
 
-rxjs@5.5.x:
+rxjs@^5.5.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-5.5.0.tgz#26d8f3866eb700e247e0728a147c3d628993d812"
   dependencies: