diff --git a/.github/workflows/code_coverage.yml b/.github/workflows/code_coverage.yml
index f262b17..40a44f9 100644
--- a/.github/workflows/code_coverage.yml
+++ b/.github/workflows/code_coverage.yml
@@ -42,7 +42,7 @@ jobs:
           rustflags: ""
 
       - name: Install cargo-llvm-cov
-        uses: taiki-e/install-action@a4d3f3f761dcd95cce1b72cb61cb6d1963438177 # v2.87.30
+        uses: taiki-e/install-action@c509219cf42fba86913069efd0ade2458c59337b # v2.90.1
         with:
           tool: cargo-llvm-cov@0.9.1
 
diff --git a/.github/workflows/workflow_checks.yml b/.github/workflows/workflow_checks.yml
index 690b645..1458349 100644
--- a/.github/workflows/workflow_checks.yml
+++ b/.github/workflows/workflow_checks.yml
@@ -31,7 +31,7 @@ jobs:
           persist-credentials: false
 
       - name: Install Zizmor
-        uses: taiki-e/install-action@a4d3f3f761dcd95cce1b72cb61cb6d1963438177 # v2.87.30
+        uses: taiki-e/install-action@c509219cf42fba86913069efd0ade2458c59337b # v2.90.1
         with:
           tool: zizmor@1.30.0