diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 122a15c..bbd21cd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
       contents: read
     steps:
       - name: Harden runner
-        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0  # v2.12.0
+        uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1  # v2.21.1
         with:
           egress-policy: audit
 
@@ -36,7 +36,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
     steps:
       - name: Harden runner
-        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0  # v2.12.0
+        uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1  # v2.21.1
         with:
           egress-policy: audit
 
@@ -55,7 +55,7 @@ jobs:
       contents: read
     steps:
       - name: Harden runner
-        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0  # v2.12.0
+        uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1  # v2.21.1
         with:
           egress-policy: audit
 
@@ -75,7 +75,7 @@ jobs:
       contents: read
     steps:
       - name: Harden runner
-        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0  # v2.12.0
+        uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1  # v2.21.1
         with:
           egress-policy: audit
 
@@ -92,7 +92,7 @@ jobs:
       contents: read
     steps:
       - name: Harden runner
-        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0  # v2.12.0
+        uses: step-security/harden-runner@e14015d583714f6e62063499dc959a02595150a1  # v2.21.1
         with:
           egress-policy: audit