diff --git a/.github/workflows/continuous_deployment.yml b/.github/workflows/continuous_deployment.yml
index 07b2860..7a528fd 100644
--- a/.github/workflows/continuous_deployment.yml
+++ b/.github/workflows/continuous_deployment.yml
@@ -12,7 +12,7 @@ jobs:
     steps:
     # TODO: change to dtolnay/rust-toolchain@stable once 1.75.0 lands on stable
     - name: Install Rust toolchain
-      uses: dtolnay/rust-toolchain@1.75.0
+      uses: dtolnay/rust-toolchain@nightly-2023-11-01
 
     - uses: Swatinem/rust-cache@v2
       with:
diff --git a/.github/workflows/continuous_integration.yml b/.github/workflows/continuous_integration.yml
index d8fb546..6841cb5 100644
--- a/.github/workflows/continuous_integration.yml
+++ b/.github/workflows/continuous_integration.yml
@@ -18,7 +18,7 @@ jobs:
 
     # TODO: change to dtolnay/rust-toolchain@stable once 1.75.0 lands on stable
     - name: Install Rust toolchain
-      uses: dtolnay/rust-toolchain@1.75.0
+      uses: dtolnay/rust-toolchain@nightly-2023-11-01
       with:
         components: clippy,rustfmt