diff --git a/.github/actions/nodejs/action.yaml b/.github/actions/nodejs/action.yaml
index ef62f30be32..eaa77ceae50 100644
--- a/.github/actions/nodejs/action.yaml
+++ b/.github/actions/nodejs/action.yaml
@@ -31,8 +31,14 @@ runs:
     - name: Cache NPM build artifacts
       uses: actions/cache@v4
       with:
+        # Cache the unplugged packages (unpacked native builds), yarn's
+        # build-state (so postinstalls don't re-run) and install-state
+        # (cold-start avoidance). Missing paths are tolerated by the
+        # action, so first-run behavior is unaffected.
         path: |
           .yarn/unplugged
+          .yarn/build-state.yml
+          .yarn/install-state.gz
         key: ${{ runner.os }}/yarn/unplugged/${{ runner.arch }}/${{ hashFiles('yarn.lock') }}
         restore-keys: |
           ${{ runner.os }}/yarn/unplugged/${{ runner.arch }}/