diff --git a/.github/workflows/coverage.yaml b/.github/workflows/coverage.yaml
index bc3df294b..704bf7224 100644
--- a/.github/workflows/coverage.yaml
+++ b/.github/workflows/coverage.yaml
@@ -47,7 +47,7 @@ jobs:
 
       - id: tools
         name: Install Tools
-        uses: taiki-e/install-action@v2
+        uses: taiki-e/install-action@v2.85.5
         with:
           tool: grcov,cargo-llvm-cov
 
diff --git a/.github/workflows/generate_coverage_pr.yaml b/.github/workflows/generate_coverage_pr.yaml
index 8295fbe5e..582d3cce4 100644
--- a/.github/workflows/generate_coverage_pr.yaml
+++ b/.github/workflows/generate_coverage_pr.yaml
@@ -42,7 +42,7 @@ jobs:
 
       - id: tools
         name: Install Tools
-        uses: taiki-e/install-action@v2
+        uses: taiki-e/install-action@v2.85.5
         with:
           tool: grcov,cargo-llvm-cov
 
diff --git a/.github/workflows/testing.yaml b/.github/workflows/testing.yaml
index 666700f79..719b6b6b0 100644
--- a/.github/workflows/testing.yaml
+++ b/.github/workflows/testing.yaml
@@ -76,7 +76,7 @@ jobs:
 
       - id: tools
         name: Install Tools
-        uses: taiki-e/install-action@v2
+        uses: taiki-e/install-action@v2.85.5
         with:
           tool: cargo-llvm-cov, cargo-nextest