diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 3805e432b6e29..b4d70ec60d75a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,7 +18,7 @@ jobs:
       - name: Checkout sources
         uses: actions/checkout@v4
       - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@1.70
+        uses: dtolnay/rust-toolchain@nighty
 
       - uses: Swatinem/rust-cache@v2
         with:
@@ -39,7 +39,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@1.70
+        uses: dtolnay/rust-toolchain@nighty
 
       - uses: Swatinem/rust-cache@v2
         with:
@@ -71,7 +71,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@1.70
+        uses: dtolnay/rust-toolchain@nighty
         with:
           components: rustfmt, clippy
 
@@ -99,7 +99,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@1.70
+        uses: dtolnay/rust-toolchain@nighty
 
       - uses: Swatinem/rust-cache@v2
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d2035173d3a3b..633560610dc54 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Install stable toolchain
-        uses: dtolnay/rust-toolchain@stable
+        uses: dtolnay/rust-toolchain@nighty
 
       - uses: Swatinem/rust-cache@v2
 
@@ -63,12 +63,12 @@ jobs:
         include:
         - build: x86_64-linux
           os: ubuntu-latest
-          rust: stable
+          rust: nighty
           target: x86_64-unknown-linux-gnu
           cross: false
         - build: aarch64-linux
           os: ubuntu-latest
-          rust: stable
+          rust: nighty
           target: aarch64-unknown-linux-gnu
           cross: true
         # - build: riscv64-linux
@@ -78,18 +78,18 @@ jobs:
         #   cross: true
         - build: x86_64-macos
           os: macos-latest
-          rust: stable
+          rust: nighty
           target: x86_64-apple-darwin
           cross: false
         - build: x86_64-windows
           os: windows-latest
-          rust: stable
+          rust: nighty
           target: x86_64-pc-windows-msvc
           cross: false
         # 23.03: build issues
         - build: aarch64-macos
           os: macos-latest
-          rust: stable
+          rust: nighty
           target: aarch64-apple-darwin
           cross: false
           skip_tests: true  # x86_64 host can't run aarch64 code