diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 6b9d3c2..46ee288 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -13,7 +13,7 @@ jobs:
     name: "Check & Clippy"
 
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Cache cargo registry
         uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
@@ -48,7 +48,7 @@ jobs:
     name: "Rustdoc"
 
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Cache cargo registry
         uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
@@ -96,7 +96,7 @@ jobs:
     runs-on: ubuntu-latest
     name: "Formatting"
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af # v1.0.7
         with:
@@ -114,7 +114,7 @@ jobs:
     runs-on: ubuntu-latest
     name: "Cargo Semver Checks"
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: obi1kenobi/cargo-semver-checks-action@6b69fcf40e9b5fb17adeb57e4b6ecd020649a239 # v2.9
         with:
           # exclude the binary package from semver checks, since it is not published as a crate.
@@ -125,7 +125,7 @@ jobs:
     name: "mdBook Documentation"
 
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@ee69d230fe19748b7abf22df32acaa93833fad08 # v2.0.0
diff --git a/.github/workflows/helm-test.yml b/.github/workflows/helm-test.yml
index 5ad6508..daea724 100644
--- a/.github/workflows/helm-test.yml
+++ b/.github/workflows/helm-test.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Install Helm
         uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
@@ -139,7 +139,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Install Helm
         uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index 89b845a..f110ffd 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@ee69d230fe19748b7abf22df32acaa93833fad08 # v2.0.0
diff --git a/.github/workflows/publish-helm.yml b/.github/workflows/publish-helm.yml
index 39cc98b..5da0cd1 100644
--- a/.github/workflows/publish-helm.yml
+++ b/.github/workflows/publish-helm.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/rust-tests.yml b/.github/workflows/rust-tests.yml
index 35eeea8..39a472a 100644
--- a/.github/workflows/rust-tests.yml
+++ b/.github/workflows/rust-tests.yml
@@ -39,7 +39,7 @@ jobs:
           --health-retries 5
 
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: Cache cargo registry
         uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index d5bf5d0..d1d46af 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -14,7 +14,7 @@ jobs:
     permissions: write-all
     name: "Audit Rust Dependencies"
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - uses: rustsec/audit-check@69366f33c96575abad1ee0dba8212993eecbe998 # v2.0.0
         with:
           token: ${{ secrets.GITHUB_TOKEN }}