diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cf946e523fa..3f70d510d73 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly
+          toolchain: nightly-2022-02-09
           override: true
 
       - name: Run cargo check
@@ -60,7 +60,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly
+          toolchain: nightly-2022-02-09
           override: true
           components: rustfmt
 
@@ -82,7 +82,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly
+          toolchain: nightly-2022-02-09
           override: true
           components: rustfmt, clippy
 
@@ -113,7 +113,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly
+          toolchain: nightly-2022-02-09
           override: true
 
       - name: Run cargo doc
@@ -169,7 +169,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: nightly
+          toolchain: nightly-2022-02-09
           override: true
 
       - name: Checkout gh-pages
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
new file mode 100644
index 00000000000..82587d6ad06
--- /dev/null
+++ b/rust-toolchain.toml
@@ -0,0 +1,2 @@
+[toolchain]
+channel = "nightly-2022-02-09"