diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4344be86f52..547558e99ee 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -57,14 +57,14 @@ jobs:
     - uses: actions/checkout@v2.3.4
 
     - name: Install Rust wasm32-unknown-emscripten
-      uses: actions-rs/toolchain@v1
+      uses: actions-rs/toolchain@v1.0.7
       with:
         toolchain: stable
         target: wasm32-unknown-emscripten
         override: true
 
     - name: Install Rust wasm32-wasi
-      uses: actions-rs/toolchain@v1
+      uses: actions-rs/toolchain@v1.0.7
       with:
         toolchain: stable
         target: wasm32-wasi
@@ -130,7 +130,7 @@ jobs:
 
     - uses: actions/checkout@v2.3.4
 
-    - uses: actions-rs/toolchain@v1
+    - uses: actions-rs/toolchain@v1.0.7
       with:
         profile: minimal
         toolchain: stable