diff --git a/.github/workflows/nightly.yaml b/.github/workflows/nightly.yaml
index 22411e6..f5593f1 100644
--- a/.github/workflows/nightly.yaml
+++ b/.github/workflows/nightly.yaml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v7
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.3
         with:
           tool: just
       - run: |
diff --git a/.github/workflows/pr.yaml b/.github/workflows/pr.yaml
index 6b9629e..db31943 100644
--- a/.github/workflows/pr.yaml
+++ b/.github/workflows/pr.yaml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v7
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.3
         with:
           tool: just
       - run: echo "RUST_TOOLCHAIN=$(just rust-version)" >> $GITHUB_ENV
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v7
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.3
         with:
           tool: just
       - run: |
@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v7
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.3
         with:
           tool: just, cargo-binstall
       - run: echo "RUST_TOOLCHAIN=$(just rust-version)" >> $GITHUB_ENV
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 1f92566..3d5b9aa 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v7
         with:
           fetch-depth: 0
-      - uses: taiki-e/install-action@v2
+      - uses: taiki-e/install-action@v2.85.3
         with:
           tool: just
       - run: |