diff --git a/.github/workflows/book.yml b/.github/workflows/book.yml
index 038a16d..13878e2 100644
--- a/.github/workflows/book.yml
+++ b/.github/workflows/book.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: dtolnay/rust-toolchain@master
+      - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: stable
 
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index bfd3a9a..46eb15f 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -39,7 +39,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v3
-      - uses: dtolnay/rust-toolchain@master
+      - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
           targets: wasm32-unknown-unknown
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 01e564b..c8745b7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -30,7 +30,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: nanasess/setup-chromedriver@master
-      - uses: dtolnay/rust-toolchain@master
+      - uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: ${{ matrix.rust }}
           targets: wasm32-unknown-unknown