diff --git a/.github/workflows/add-to-project.yml b/.github/workflows/add-to-project.yml
index 6fb25ad..7241333 100644
--- a/.github/workflows/add-to-project.yml
+++ b/.github/workflows/add-to-project.yml
@@ -26,7 +26,7 @@ jobs:
       # This is a useful security step to check for unexpected outbound calls from the runner,
       # which could indicate a compromised token or runner.
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           egress-policy: audit
 
diff --git a/.github/workflows/build-website.yml b/.github/workflows/build-website.yml
index 0d05205..8cd0c75 100644
--- a/.github/workflows/build-website.yml
+++ b/.github/workflows/build-website.yml
@@ -21,7 +21,7 @@ jobs:
       # This is a useful security step to check for unexpected outbound calls from the runner,
       # which could indicate a compromised token or runner.
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           egress-policy: audit
 
diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 9596bed..8825e34 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -11,7 +11,7 @@ jobs:
       # This is a useful security step to check for unexpected outbound calls from the runner,
       # which could indicate a compromised token or runner.
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           egress-policy: audit
 
@@ -41,7 +41,7 @@ jobs:
       # This is a useful security step to check for unexpected outbound calls from the runner,
       # which could indicate a compromised token or runner.
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           egress-policy: audit
 
@@ -59,7 +59,7 @@ jobs:
       # This is a useful security step to check for unexpected outbound calls from the runner,
       # which could indicate a compromised token or runner.
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           egress-policy: audit
 
@@ -85,7 +85,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           egress-policy: audit
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ecce03d..87269a7 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,7 +24,7 @@ jobs:
       # This is a useful security step to check for unexpected outbound calls from the runner,
       # which could indicate a compromised token or runner.
       - name: Harden the runner (Audit all outbound calls)
-        uses: step-security/harden-runner@bf7454d06d71f1098171f2acdf0cd4708d7b5920 # v2.20.0
+        uses: step-security/harden-runner@05e31511f85b41b11d1cf0ef85d0992719546e2c # v2.21.0
         with:
           egress-policy: audit