diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4015a86c..52fd1106 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -193,7 +193,7 @@ jobs:
       # A prebuilt binary, checksum-verified by the action, rather than minutes of
       # `cargo install` on a cold cache.
       - name: Install cargo-nextest
-        uses: taiki-e/install-action@1e29709c0ec63babbe8f266397a465f29a825f91 # v2.87.31
+        uses: taiki-e/install-action@68a389c788b2cd04016ce8c80ee23b80d2ab3d68 # v2.88.1
         with:
           tool: cargo-nextest
 
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index ad073819..953a117d 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -295,7 +295,7 @@ jobs:
           fixtures: true
 
       - name: Install cargo-nextest
-        uses: taiki-e/install-action@1e29709c0ec63babbe8f266397a465f29a825f91 # v2.87.31
+        uses: taiki-e/install-action@68a389c788b2cd04016ce8c80ee23b80d2ab3d68 # v2.88.1
         with:
           tool: cargo-nextest
 
@@ -430,7 +430,7 @@ jobs:
           fixtures: true
 
       - name: Install cargo-nextest
-        uses: taiki-e/install-action@1e29709c0ec63babbe8f266397a465f29a825f91 # v2.87.31
+        uses: taiki-e/install-action@68a389c788b2cd04016ce8c80ee23b80d2ab3d68 # v2.88.1
         with:
           tool: cargo-nextest