diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 92b605dee..ce605b105 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -89,7 +89,7 @@ jobs:
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@e97e2d8cc328f1b50210efc529dca0028893a2d9
         with:
-          toolchain: stable
+          toolchain: "1.93.0"
           components: clippy, rustfmt
 
       - name: Install pnpm
@@ -286,7 +286,7 @@ jobs:
       - name: Install Rust toolchain
         uses: dtolnay/rust-toolchain@e97e2d8cc328f1b50210efc529dca0028893a2d9
         with:
-          toolchain: stable
+          toolchain: "1.93.0"
           components: rustfmt
 
       - name: Sync ci helper dependencies