diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index 86ee4b7..59830fe 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@065d6a08a14e61e89fb0a4c10eecdbdef39c7d8e # tag=v2.85.4
+        uses: taiki-e/install-action@742a3317eac7bd62f91cd888b4eead5e784ba833 # tag=v2.87.1
         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 433fe7c..3d6767e 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@065d6a08a14e61e89fb0a4c10eecdbdef39c7d8e # tag=v2.85.4
+        uses: taiki-e/install-action@742a3317eac7bd62f91cd888b4eead5e784ba833 # tag=v2.87.1
         with:
           tool: cargo-llvm-cov
       - name: cargo generate-lockfile