diff --git a/.github/workflows/mini-ola-release.yml b/.github/workflows/mini-ola-release.yml
index 12d79952..15adcccf 100644
--- a/.github/workflows/mini-ola-release.yml
+++ b/.github/workflows/mini-ola-release.yml
@@ -24,7 +24,7 @@ jobs:
     - name: Install Rust
       uses: dtolnay/rust-toolchain@nightly
       with:
-        toolchain: nightly-2024-01-19
+        toolchain: nightly-2023-08-21
         components: rustfmt
         override: true
     - name: Build
@@ -48,7 +48,7 @@ jobs:
     - name: Install Rust
       uses: dtolnay/rust-toolchain@nightly
       with:
-        toolchain: nightly-2024-01-19
+        toolchain: nightly-2023-08-21
         components: rustfmt  
         override: true
     - name: Build
@@ -72,7 +72,7 @@ jobs:
     - name: Install Rust
       uses: dtolnay/rust-toolchain@nightly
       with:
-        toolchain: nightly-2024-01-19
+        toolchain: nightly-2023-08-21
         components: rustfmt
         override: true
     - name: Build
@@ -96,7 +96,7 @@ jobs:
     - name: Install Rust
       uses: dtolnay/rust-toolchain@nightly
       with:
-        toolchain: nightly-2024-01-19
+        toolchain: nightly-2023-08-21
         components: rustfmt
         override: true
     - name: Build
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 17811009..d62deee0 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -25,7 +25,7 @@ jobs:
       - name: Install Rust toolchain
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: nightly-2024-01-19
+          toolchain: nightly-2023-08-21
           profile: minimal
           components: rustfmt, clippy
           override: true