diff --git a/.github/workflows/chef.yaml b/.github/workflows/chef.yaml
index d2298bbca33ca0..a302204eb7ae5d 100644
--- a/.github/workflows/chef.yaml
+++ b/.github/workflows/chef.yaml
@@ -109,9 +109,9 @@ jobs:
               uses: ./.github/actions/checkout-submodules-and-bootstrap
               with:
                 platform: telink
-            # - name: Update Zephyr to specific revision (for developers purpose)
-            #   shell: bash
-            #   run: scripts/run_in_build_env.sh "python3 scripts/tools/telink/update_zephyr.py 9ab2325bf76bc7bec92a3ff93fad80ec5d3eae7c"
+            - name: Update Zephyr to specific revision (for developers purpose)
+              shell: bash
+              run: scripts/run_in_build_env.sh "python3 scripts/tools/telink/update_zephyr.py f5fb3759ca6dc48abe01d2f1f8d0f012cd2ecf3f"
             - name: CI Examples Telink
               shell: bash
               run: |
diff --git a/.github/workflows/examples-telink.yaml b/.github/workflows/examples-telink.yaml
index c24b8f5565bb24..5f1ad2e37cdca6 100644
--- a/.github/workflows/examples-telink.yaml
+++ b/.github/workflows/examples-telink.yaml
@@ -57,8 +57,8 @@ jobs:
               with:
                 gh-context: ${{ toJson(github) }}
 
-            # - name: Update Zephyr to specific revision (for developers purpose)
-            #   run: scripts/run_in_build_env.sh "python3 scripts/tools/telink/update_zephyr.py 9ab2325bf76bc7bec92a3ff93fad80ec5d3eae7c"
+            - name: Update Zephyr to specific revision (for developers purpose)
+              run: scripts/run_in_build_env.sh "python3 scripts/tools/telink/update_zephyr.py f5fb3759ca6dc48abe01d2f1f8d0f012cd2ecf3f"
 
             - name: Build example Telink (B92 retention) Air Quality Sensor App
               # Run test for master and s07641069 PRs