diff --git a/ng-dev/release/publish/external-commands.ts b/ng-dev/release/publish/external-commands.ts
index 402f9df3e..0299f27a5 100644
--- a/ng-dev/release/publish/external-commands.ts
+++ b/ng-dev/release/publish/external-commands.ts
@@ -97,3 +97,31 @@ export async function invokeYarnInstallCommand(projectDir: string): Promise<void
     throw new FatalReleaseActionError();
   }
 }
+
+/**
+ * Invokes the `yarn check --integrity` command in order to verify up to date dependencies.
+ */
+export async function invokeYarnIntegryCheck(projectDir: string): Promise<void> {
+  try {
+    await spawn('yarn', ['check', '--integrity'], {cwd: projectDir, mode: 'silent'});
+    info(green('  ✓   Confirmed dependencies from package.json match those in yarn.lock.'));
+  } catch (e) {
+    error(red('  ✘   Failed yarn integrity check, your installed dependencies are likely out of'));
+    error(red('      date. Please run `yarn install` to update your installed dependencies.'));
+    throw new FatalReleaseActionError();
+  }
+}
+
+/**
+ * Invokes the `yarn check --verify-tree` command in order to verify up to date dependencies.
+ */
+export async function invokeYarnVerifyTreeCheck(projectDir: string): Promise<void> {
+  try {
+    await spawn('yarn', ['check', '--verify-tree'], {cwd: projectDir, mode: 'silent'});
+    info(green('  ✓   Confirmed installed dependencies match those defined in package.json.'));
+  } catch (e) {
+    error(red('  ✘   Failed yarn verify tree check, your installed dependencies are likely out'));
+    error(red('      of date. Please run `yarn install` to update your installed dependencies.'));
+    throw new FatalReleaseActionError();
+  }
+}
diff --git a/ng-dev/release/publish/index.ts b/ng-dev/release/publish/index.ts
index 4d536c4e0..a11261de1 100644
--- a/ng-dev/release/publish/index.ts
+++ b/ng-dev/release/publish/index.ts
@@ -19,6 +19,7 @@ import {getNextBranchName, ReleaseRepoWithApi} from '../versioning/version-branc
 import {ReleaseAction} from './actions';
 import {FatalReleaseActionError, UserAbortedReleaseActionError} from './actions-error';
 import {actions} from './actions/index';
+import {invokeYarnIntegryCheck, invokeYarnVerifyTreeCheck} from './external-commands';
 
 export enum CompletionState {
   SUCCESS,
@@ -51,7 +52,8 @@ export class ReleaseTool {
     if (
       !(await this._verifyNoUncommittedChanges()) ||
       !(await this._verifyRunningFromNextBranch(nextBranchName)) ||
-      !(await this._verifyNoShallowRepository())
+      !(await this._verifyNoShallowRepository()) ||
+      !(await this._verifyInstalledDependenciesAreUpToDate())
     ) {
       return CompletionState.FATAL_ERROR;
     }
@@ -144,6 +146,21 @@ export class ReleaseTool {
     return true;
   }
 
+  /**
+   * Verifiy that the install dependencies match the the versions defined in the package.json and
+   * yarn.lock files.
+   * @returns a boolean indicating success or failure.
+   */
+  private async _verifyInstalledDependenciesAreUpToDate(): Promise<boolean> {
+    try {
+      await invokeYarnVerifyTreeCheck(this._projectRoot);
+      await invokeYarnIntegryCheck(this._projectRoot);
+      return true;
+    } catch {
+      return false;
+    }
+  }
+
   /**
    * Verifies that the local repository is not configured as shallow.
    * @returns a boolean indicating success or failure.