diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3135ee7..03eb738 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,7 +26,7 @@ jobs:
         run: rustup show
 
       - name: Install independent vector tool
-        uses: taiki-e/install-action@41049aa56687c35e0afa74eed4f09cec4f9afabf # v2.85.2
+        uses: taiki-e/install-action@91ddec75689c4c78665b598d188dc821c5a43e5c # v2.85.9
         with:
           tool: b3sum@1.8.5
 
@@ -168,7 +168,7 @@ jobs:
         run: rustup show
 
       - name: Install dependency policy tools
-        uses: taiki-e/install-action@41049aa56687c35e0afa74eed4f09cec4f9afabf # v2.85.2
+        uses: taiki-e/install-action@91ddec75689c4c78665b598d188dc821c5a43e5c # v2.85.9
         with:
           tool: cargo-deny@0.18.9,cargo-audit@0.22.0