diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ab8a7cf52b4..d3f87251719 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v1
-      - uses: actions-rs/toolchain@v1
+      - uses: actions-rs/toolchain@v1.0.7
         with:
           toolchain: stable
           override: true
@@ -40,7 +40,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions-rs/toolchain@v1.0.7
         with:
           toolchain: nightly
           components: clippy
@@ -56,7 +56,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions-rs/toolchain@v1.0.7
         with:
           toolchain: stable
           override: true
@@ -71,7 +71,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions-rs/toolchain@v1.0.7
         with:
           toolchain: stable
           override: true
diff --git a/.github/workflows/firebase.yml b/.github/workflows/firebase.yml
index 36f597385f6..31efd88fd76 100644
--- a/.github/workflows/firebase.yml
+++ b/.github/workflows/firebase.yml
@@ -15,7 +15,7 @@ jobs:
       uses: actions/checkout@master
 
     - name: Install latest nightly
-      uses: actions-rs/toolchain@v1
+      uses: actions-rs/toolchain@v1.0.7
       with:
         toolchain: nightly
         override: true