diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 01ad714..1328669 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -106,7 +106,7 @@ jobs:
         with:
           toolchain: stable
       - name: cargo install cargo-hack
-        uses: taiki-e/install-action@a983ca795126a4be4e8a44879ac5c4c3ef66cae1 # tag=v2.65.11
+        uses: taiki-e/install-action@71b48393496777ee11188c07a34d48b048a985cd # tag=v2.68.5
         with:
           tool: cargo-hack
       # intentionally no target specifier; see https://github.com/jonhoo/rust-ci-conf/pull/4
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 433f941..0fd100b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -147,7 +147,7 @@ jobs:
           toolchain: stable
           components: llvm-tools-preview
       - name: cargo install cargo-llvm-cov
-        uses: taiki-e/install-action@a983ca795126a4be4e8a44879ac5c4c3ef66cae1 # tag=v2.65.11
+        uses: taiki-e/install-action@71b48393496777ee11188c07a34d48b048a985cd # tag=v2.68.5
         with:
           tool: cargo-llvm-cov
       - name: cargo generate-lockfile