diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index 3b8ef6fc..58d9c937 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -24,7 +24,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
+          toolchain: 1.73.0
           override: true
           components: rustfmt, clippy
 
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 8557e749..2c8082c8 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -24,7 +24,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
+          toolchain: 1.73.0
           override: true
 
       - name: Run cargo test