diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 69f74d5cdbb..d4728ad3ce2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,7 +54,7 @@ jobs:
     - uses: actions/checkout@v2
 
     - name: Install Rust
-      uses: actions-rs/toolchain@v1
+      uses: actions-rs/toolchain@v1.0.7
       with:
         toolchain: stable
         target: wasm32-unknown-unknown
@@ -115,7 +115,7 @@ jobs:
 
     - uses: actions/checkout@v2
 
-    - uses: actions-rs/toolchain@v1
+    - uses: actions-rs/toolchain@v1.0.7
       with:
         profile: minimal
         toolchain: stable
@@ -151,7 +151,7 @@ jobs:
 
     - uses: actions/checkout@v2
 
-    - uses: actions-rs/toolchain@v1
+    - uses: actions-rs/toolchain@v1.0.7
       with:
         profile: minimal
         toolchain: stable