diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5e04f99..29c85de 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,7 +14,7 @@ jobs:
       with:
         toolchain: nightly
         override: true
-    - uses: actions-rs/cargo@v1
+    - uses: actions-rs/cargo@v1.0.3
       with:
         command: test
         args: --all-features