diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c20ab43..602d812 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -76,7 +76,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
       - name: Install just
-        uses: taiki-e/install-action@v2
+        uses: taiki-e/install-action@v2.85.5
         with:
           tool: just
       - name: Run lint
@@ -95,7 +95,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
       - name: Install just
-        uses: taiki-e/install-action@v2
+        uses: taiki-e/install-action@v2.85.5
         with:
           tool: just
       - name: Run build
@@ -118,7 +118,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
       - name: Install just
-        uses: taiki-e/install-action@v2
+        uses: taiki-e/install-action@v2.85.5
         with:
           tool: just
       - name: Run tests
@@ -503,7 +503,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
       - name: Install just
-        uses: taiki-e/install-action@v2
+        uses: taiki-e/install-action@v2.85.5
         with:
           tool: just
       - name: Validate runtime image