diff --git a/.github/workflows/ci-post-merge.yml b/.github/workflows/ci-post-merge.yml
index bb10b7f58..05020a7f6 100644
--- a/.github/workflows/ci-post-merge.yml
+++ b/.github/workflows/ci-post-merge.yml
@@ -49,7 +49,7 @@ jobs:
           toolchain: ${{ matrix.version.version }}
 
       - name: Install just, cargo-hack, cargo-nextest, cargo-ci-cache-clean
-        uses: taiki-e/install-action@3522286d40783523f9c7880e33f785905b4c20d0 # v2.66.1
+        uses: taiki-e/install-action@30eab0fabba9ea3f522099957e668b21876aa39e # v2.66.6
         with:
           tool: just,cargo-hack,cargo-nextest,cargo-ci-cache-clean
 
@@ -83,7 +83,7 @@ jobs:
         uses: actions-rust-lang/setup-rust-toolchain@1780873c7b576612439a134613cc4cc74ce5538c # v1.15.2
 
       - name: Install just, cargo-hack
-        uses: taiki-e/install-action@3522286d40783523f9c7880e33f785905b4c20d0 # v2.66.1
+        uses: taiki-e/install-action@30eab0fabba9ea3f522099957e668b21876aa39e # v2.66.6
         with:
           tool: just,cargo-hack
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f1143d58b..c3fd6c7de 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -64,7 +64,7 @@ jobs:
           toolchain: ${{ matrix.version.version }}
 
       - name: Install just, cargo-hack, cargo-nextest, cargo-ci-cache-clean
-        uses: taiki-e/install-action@3522286d40783523f9c7880e33f785905b4c20d0 # v2.66.1
+        uses: taiki-e/install-action@30eab0fabba9ea3f522099957e668b21876aa39e # v2.66.6
         with:
           tool: just,cargo-hack,cargo-nextest,cargo-ci-cache-clean
 
@@ -117,7 +117,7 @@ jobs:
           toolchain: nightly
 
       - name: Install just
-        uses: taiki-e/install-action@3522286d40783523f9c7880e33f785905b4c20d0 # v2.66.1
+        uses: taiki-e/install-action@30eab0fabba9ea3f522099957e668b21876aa39e # v2.66.6
         with:
           tool: just
 
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index 1a5959dcc..08d7f43d9 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -24,7 +24,7 @@ jobs:
           components: llvm-tools
 
       - name: Install just, cargo-llvm-cov, cargo-nextest
-        uses: taiki-e/install-action@3522286d40783523f9c7880e33f785905b4c20d0 # v2.66.1
+        uses: taiki-e/install-action@30eab0fabba9ea3f522099957e668b21876aa39e # v2.66.6
         with:
           tool: just,cargo-llvm-cov,cargo-nextest
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 12b278978..62f89209c 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -77,7 +77,7 @@ jobs:
           toolchain: ${{ vars.RUST_VERSION_EXTERNAL_TYPES }}
 
       - name: Install just
-        uses: taiki-e/install-action@3522286d40783523f9c7880e33f785905b4c20d0 # v2.66.1
+        uses: taiki-e/install-action@30eab0fabba9ea3f522099957e668b21876aa39e # v2.66.6
         with:
           tool: just