diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 666bd15b..3e97e538 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -9,7 +9,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           components: rustfmt
-          toolchain: nightly
+          toolchain: 1.66.1
           profile: minimal
           override: true
       - uses: actions-rs/cargo@v1
@@ -25,7 +25,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           components: clippy
-          toolchain: nightly
+          toolchain: 1.66.1
           profile: minimal
           override: true
       - uses: actions-rs/cargo@v1
@@ -41,7 +41,7 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           components: clippy
-          toolchain: nightly
+          toolchain: 1.66.1
           profile: minimal
           override: true
       - uses: actions-rs/cargo@v1
@@ -56,7 +56,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly
+          toolchain: 1.66.1
           profile: minimal
           override: true
       - run: cargo install cargo-readme