diff --git a/.github/workflows/manual-publish.yml b/.github/workflows/manual-publish.yml
index 7d93679..85defd2 100644
--- a/.github/workflows/manual-publish.yml
+++ b/.github/workflows/manual-publish.yml
@@ -24,7 +24,7 @@ jobs:
           python-version: "3.10"
 
       - name: Install poetry
-        uses: abatilo/actions-poetry@7b6d33e44b4f08d7021a1dee3c044e9c253d6439
+        uses: abatilo/actions-poetry@7b6d33e44b4f08d7021a1dee3c044e9c253d6439 # v3.0.0
 
       - uses: launchdarkly/gh-actions/actions/release-secrets@release-secrets-v1.2.0
         name: "Get PyPI token"
@@ -37,7 +37,7 @@ jobs:
 
       - name: Publish package distributions to PyPI
         if: ${{ inputs.dry_run == false }}
-        uses: pypa/gh-action-pypi-publish@release/v1
+        uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e # v1.13.0
         with:
           password: ${{env.PYPI_AUTH_TOKEN}}
 
@@ -47,7 +47,7 @@ jobs:
       actions: read
       id-token: write
       contents: write
-    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v2.0.0
+    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@5a775b367a56d5bd118a224a811bba288150a563 # v2.0.0
     with:
       base64-subjects: "${{ needs.build-publish.outputs.package-hashes }}"
       upload-assets: ${{ !inputs.dry_run }}
diff --git a/.github/workflows/release-please.yml b/.github/workflows/release-please.yml
index 81f5c3e..091b763 100644
--- a/.github/workflows/release-please.yml
+++ b/.github/workflows/release-please.yml
@@ -16,7 +16,7 @@ jobs:
       upload-tag-name: ${{ steps.release.outputs.tag_name }}
       package-hashes: ${{ steps.build.outputs.package-hashes}}
     steps:
-      - uses: googleapis/release-please-action@v4
+      - uses: googleapis/release-please-action@16a9c90856f42705d54a6fda1823352bdc62cf38 # v4.4.0
         id: release
 
       - uses: actions/checkout@v4
@@ -31,7 +31,7 @@ jobs:
 
       - name: Install poetry
         if: ${{ steps.release.outputs.releases_created == 'true' }}
-        uses: abatilo/actions-poetry@7b6d33e44b4f08d7021a1dee3c044e9c253d6439
+        uses: abatilo/actions-poetry@7b6d33e44b4f08d7021a1dee3c044e9c253d6439 # v3.0.0
 
       - uses: launchdarkly/gh-actions/actions/release-secrets@release-secrets-v1.2.0
         if: ${{ steps.release.outputs.releases_created == 'true' }}
@@ -49,7 +49,7 @@ jobs:
 
       - name: Publish package distributions to PyPI
         if: ${{ steps.release.outputs.releases_created == 'true' }}
-        uses: pypa/gh-action-pypi-publish@release/v1
+        uses: pypa/gh-action-pypi-publish@ed0c53931b1dc9bd32cbe73a98c7f6766f8a527e # v1.13.0
         with:
           password: ${{env.PYPI_AUTH_TOKEN}}
 
@@ -60,7 +60,7 @@ jobs:
       actions: read
       id-token: write
       contents: write
-    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v2.0.0
+    uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@5a775b367a56d5bd118a224a811bba288150a563 # v2.0.0
     with:
       base64-subjects: "${{ needs.release-package.outputs.package-hashes }}"
       upload-assets: true