diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6f9efa8..45dcc97 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -135,7 +135,7 @@ jobs:
       - name: Install toolchain
         uses: actions-rust-lang/setup-rust-toolchain@v1
       - name: Install nextest
-        uses: taiki-e/install-action@bfadeaba214680fb4ab63e710bcb2a6a17019fdc # v2.70.4
+        uses: taiki-e/install-action@e1c4cd42111751368541a7cb5db3522bd1f846a4 # v2.78.0
         with:
           tool: cargo-nextest
       - name: Run tests
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index a2817d4..46f534a 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -133,7 +133,7 @@ jobs:
       - name: Install toolchain
         uses: actions-rust-lang/setup-rust-toolchain@v1
       - name: Install nextest
-        uses: taiki-e/install-action@bfadeaba214680fb4ab63e710bcb2a6a17019fdc # v2.70.4
+        uses: taiki-e/install-action@e1c4cd42111751368541a7cb5db3522bd1f846a4 # v2.78.0
         with:
           tool: cargo-nextest
       - name: Run tests