diff --git a/.github/workflows/promote.yaml b/.github/workflows/promote.yaml
index b88ba34..8d1c86f 100644
--- a/.github/workflows/promote.yaml
+++ b/.github/workflows/promote.yaml
@@ -20,7 +20,7 @@ on:
 jobs:
   promote:
     name: Promote
-    uses: canonical/observability/.github/workflows/charm-promote.yaml@v1
+    uses: canonical/observability/.github/workflows/charm-promote.yaml@e8084e0cc6409cda380d42632a858a8a511c5e4b # v2
     with:
       promotion: ${{ github.event.inputs.promotion }}
       charm-path: ${{ github.event.inputs.charm }}
diff --git a/.github/workflows/quality-gates.yaml b/.github/workflows/quality-gates.yaml
index fe54e42..8e4b7f5 100644
--- a/.github/workflows/quality-gates.yaml
+++ b/.github/workflows/quality-gates.yaml
@@ -11,13 +11,13 @@ on:
 jobs:
   quality-gates-coordinator:
     name: Run quality gates
-    uses: canonical/observability/.github/workflows/charm-quality-gates.yaml@v1
+    uses: canonical/observability/.github/workflows/charm-quality-gates.yaml@e8084e0cc6409cda380d42632a858a8a511c5e4b # v2
     secrets: inherit
     with:
       charm-path: coordinator
   quality-gates-worker:
     name: Run quality gates
-    uses: canonical/observability/.github/workflows/charm-quality-gates.yaml@v1
+    uses: canonical/observability/.github/workflows/charm-quality-gates.yaml@e8084e0cc6409cda380d42632a858a8a511c5e4b # v2
     secrets: inherit
     with:
       charm-path: worker
diff --git a/.github/workflows/tiobe-scan.yaml b/.github/workflows/tiobe-scan.yaml
index cd6e6df..7eba72b 100644
--- a/.github/workflows/tiobe-scan.yaml
+++ b/.github/workflows/tiobe-scan.yaml
@@ -8,7 +8,7 @@ on:
 jobs:
     tiobe-scan:
         name: TiCs-scan
-        uses: canonical/observability/.github/workflows/charm-tiobe-scan.yaml@v1
+        uses: canonical/observability/.github/workflows/charm-tiobe-scan.yaml@e8084e0cc6409cda380d42632a858a8a511c5e4b # v2
         with:
             coverage-folder: .cover
             tiobe-project-name: pyroscope-operators
diff --git a/.github/workflows/update-libs.yaml b/.github/workflows/update-libs.yaml
index 19b8980..048797f 100644
--- a/.github/workflows/update-libs.yaml
+++ b/.github/workflows/update-libs.yaml
@@ -9,14 +9,14 @@ on:
 jobs:
   update-lib-coordinator:
     name: Check libraries
-    uses: canonical/observability/.github/workflows/charm-update-libs.yaml@v1
+    uses: canonical/observability/.github/workflows/charm-update-libs.yaml@e8084e0cc6409cda380d42632a858a8a511c5e4b # v2
     secrets: inherit
     with:
       charm-path: coordinator
       git-branch: chore/auto-libs/coordinator
   update-lib-worker:
     name: Check libraries
-    uses: canonical/observability/.github/workflows/charm-update-libs.yaml@v1
+    uses: canonical/observability/.github/workflows/charm-update-libs.yaml@e8084e0cc6409cda380d42632a858a8a511c5e4b # v2
     secrets: inherit
     with:
       charm-path: worker