diff --git a/dev-infra/ng-dev.js b/dev-infra/ng-dev.js
index fdaa7c2df60..92d0715da2e 100755
--- a/dev-infra/ng-dev.js
+++ b/dev-infra/ng-dev.js
@@ -6500,16 +6500,17 @@ class CutStableAction extends ReleaseAction {
             // If a new major version is published and becomes the "latest" release-train, we need
             // to set the LTS npm dist tag for the previous latest release-train (the current patch).
             if (isNewMajor) {
-                const previousPatchVersion = this.active.latest.version;
-                const ltsTagForPatch = getLtsNpmDistTagOfMajor(previousPatchVersion.major);
+                const previousPatch = this.active.latest;
+                const ltsTagForPatch = getLtsNpmDistTagOfMajor(previousPatch.version.major);
                 // Instead of directly setting the NPM dist tags, we invoke the ng-dev command for
                 // setting the NPM dist tag to the specified version. We do this because release NPM
                 // packages could be different in the previous patch branch, and we want to set the
                 // LTS tag for all packages part of the last major. It would not be possible to set the
                 // NPM dist tag for new packages part of the released major, nor would it be acceptable
                 // to skip the LTS tag for packages which are no longer part of the new major.
+                yield this.checkoutUpstreamBranch(previousPatch.branchName);
                 yield invokeYarnInstallCommand(this.projectDir);
-                yield invokeSetNpmDistCommand(ltsTagForPatch, previousPatchVersion);
+                yield invokeSetNpmDistCommand(ltsTagForPatch, previousPatch.version);
             }
             yield this.cherryPickChangelogIntoNextBranch(newVersion, branchName);
         });
diff --git a/dev-infra/release/publish/actions/cut-stable.ts b/dev-infra/release/publish/actions/cut-stable.ts
index dee7e88ee87..0db17c0bbaa 100644
--- a/dev-infra/release/publish/actions/cut-stable.ts
+++ b/dev-infra/release/publish/actions/cut-stable.ts
@@ -39,8 +39,8 @@ export class CutStableAction extends ReleaseAction {
     // If a new major version is published and becomes the "latest" release-train, we need
     // to set the LTS npm dist tag for the previous latest release-train (the current patch).
     if (isNewMajor) {
-      const previousPatchVersion = this.active.latest.version;
-      const ltsTagForPatch = getLtsNpmDistTagOfMajor(previousPatchVersion.major);
+      const previousPatch = this.active.latest;
+      const ltsTagForPatch = getLtsNpmDistTagOfMajor(previousPatch.version.major);
 
       // Instead of directly setting the NPM dist tags, we invoke the ng-dev command for
       // setting the NPM dist tag to the specified version. We do this because release NPM
@@ -48,8 +48,9 @@ export class CutStableAction extends ReleaseAction {
       // LTS tag for all packages part of the last major. It would not be possible to set the
       // NPM dist tag for new packages part of the released major, nor would it be acceptable
       // to skip the LTS tag for packages which are no longer part of the new major.
+      await this.checkoutUpstreamBranch(previousPatch.branchName);
       await invokeYarnInstallCommand(this.projectDir);
-      await invokeSetNpmDistCommand(ltsTagForPatch, previousPatchVersion);
+      await invokeSetNpmDistCommand(ltsTagForPatch, previousPatch.version);
     }
 
     await this.cherryPickChangelogIntoNextBranch(newVersion, branchName);
diff --git a/dev-infra/release/publish/test/cut-stable.spec.ts b/dev-infra/release/publish/test/cut-stable.spec.ts
index 5383b8f3009..8a740b7316c 100644
--- a/dev-infra/release/publish/test/cut-stable.spec.ts
+++ b/dev-infra/release/publish/test/cut-stable.spec.ts
@@ -70,6 +70,13 @@ describe('cut stable action', () => {
       latest: new ReleaseTrain('10.0.x', parse('10.0.3')),
     });
 
+    // Ensure that the NPM dist tag is set only for packages that were available in the previous
+    // major version. A spy has already been installed on the function.
+    (externalCommands.invokeSetNpmDistCommand as jasmine.Spy).and.callFake(() => {
+      expect(action.gitClient.head.ref?.name).toBe('10.0.x');
+      return Promise.resolve();
+    });
+
     await expectStagingAndPublishWithCherryPick(action, '11.0.x', '11.0.0', 'latest');
     expect(externalCommands.invokeSetNpmDistCommand).toHaveBeenCalledTimes(1);
     expect(externalCommands.invokeSetNpmDistCommand)