diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 0c6fc424..b3d8ada7 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -12,7 +12,7 @@ jobs:
       contents: read
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - name: 🦪 ✔ 🧼🧼🧼
diff --git a/.github/workflows/dependency-review.yaml b/.github/workflows/dependency-review.yaml
index d015685b..47dcaa53 100644
--- a/.github/workflows/dependency-review.yaml
+++ b/.github/workflows/dependency-review.yaml
@@ -37,7 +37,7 @@ jobs:
 
       - name: Checkout
         if: ${{ github.event_name != 'merge_group' }}
-        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/vulnerability.yml b/.github/workflows/vulnerability.yml
index 8a9a9997..7a6b229b 100644
--- a/.github/workflows/vulnerability.yml
+++ b/.github/workflows/vulnerability.yml
@@ -24,7 +24,7 @@ jobs:
       contents: read
       packages: read
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           persist-credentials: false
       - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e
diff --git a/.github/workflows/xtest.yml b/.github/workflows/xtest.yml
index db38c76d..5ef6f275 100644
--- a/.github/workflows/xtest.yml
+++ b/.github/workflows/xtest.yml
@@ -143,7 +143,7 @@ jobs:
           CRON_NIGHTLY: ${{ github.event.schedule == '30 6 * * *' }}
           CRON_MONDAY_WEDNESDAY: ${{ github.event.schedule == '0 5 * * 1,3' }}
           CRON_WEEKLY: ${{ github.event.schedule == '0 18 * * 0' }}
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           path: otdf-sdk
           persist-credentials: false
@@ -298,7 +298,7 @@ jobs:
         platform-tag: ${{ fromJSON(needs.resolve-versions.outputs.platform-tag-list) }}
         sdk-version: ${{ fromJSON(needs.resolve-versions.outputs.sdk-version-list) }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: opentdf/tests
           path: otdftests # use different name bc other repos might have tests directories
@@ -350,7 +350,7 @@ jobs:
 
       - name: Install uv
         uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
-      - uses: bufbuild/buf-action@fd21066df7214747548607aaa45548ba2b9bc1ff # v1.4.0
+      - uses: bufbuild/buf-action@8c6a16e16f12ba20b6470afa9c2ba9b5ba8c97c3 # v1.5.0
         with:
           setup_only: true
           token: ${{ secrets.BUF_TOKEN }}
@@ -404,7 +404,7 @@ jobs:
 
       - name: Cache npm
         if: fromJson(steps.configure-js.outputs.heads)[0] != null
-        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ~/.npm
           key: npm-${{ runner.os }}-${{ hashFiles('otdftests/xtest/sdk/js/src/**/package-lock.json') }}
@@ -432,7 +432,7 @@ jobs:
 
       - name: Cache Go modules
         if: fromJson(steps.configure-go.outputs.heads)[0] != null
-        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: |
             ~/.cache/go-build
@@ -467,7 +467,7 @@ jobs:
 
       - name: Cache Maven repository
         if: fromJson(steps.configure-java.outputs.heads)[0] != null
-        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ~/.m2/repository
           key: maven-${{ runner.os }}-${{ hashFiles('otdftests/xtest/sdk/java/src/**/pom.xml') }}
@@ -804,7 +804,7 @@ jobs:
       matrix:
         sdk: [go, java, js]
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           repository: opentdf/tests
           path: otdftests
@@ -833,7 +833,7 @@ jobs:
 
       - name: Install uv
         uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
-      - uses: bufbuild/buf-action@fd21066df7214747548607aaa45548ba2b9bc1ff # v1.4.0
+      - uses: bufbuild/buf-action@8c6a16e16f12ba20b6470afa9c2ba9b5ba8c97c3 # v1.5.0
         if: matrix.sdk == 'java'
         with:
           setup_only: true
@@ -907,7 +907,7 @@ jobs:
       # Unconditional: every bench runner builds go now, either as the SDK
       # under measurement or as otdfctl.
       - name: Cache Go modules
-        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: |
             ~/.cache/go-build
@@ -918,7 +918,7 @@ jobs:
 
       - name: Cache npm
         if: matrix.sdk == 'js'
-        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ~/.npm
           key: npm-${{ runner.os }}-${{ hashFiles('otdftests/xtest/sdk/js/src/**/package-lock.json') }}
@@ -927,7 +927,7 @@ jobs:
 
       - name: Cache Maven repository
         if: matrix.sdk == 'java'
-        uses: actions/cache@2c8a9bd7457de244a408f35966fab2fb45fda9c8 # v6.0.0
+        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
         with:
           path: ~/.m2/repository
           key: maven-${{ runner.os }}-${{ hashFiles('otdftests/xtest/sdk/java/src/**/pom.xml') }}