diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 5d5e4f8..e8e42c8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -30,19 +30,14 @@ jobs:
     strategy:
       matrix:
         target: ["x86_64-unknown-linux-gnu", "aarch64-unknown-linux-gnu", "armv7-unknown-linux-gnueabihf"]
-    env:
-      CC: clang-18
-      CXX: clang-18
-      CFLAGS: "-flto -fuse-ld=lld-18"
-      CXXFLAGS: "-flto -fuse-ld=lld-18"
     steps:
     - uses: actions/checkout@v4
     - name: Install build tools
       run: |
-        wget https://apt.llvm.org/llvm.sh
-        chmod +x llvm.sh
-        sudo ./llvm.sh 18
-        sudo apt-get install -y crossbuild-essential-arm64 crossbuild-essential-armhf
+        wget -qO- https://apt.llvm.org/llvm-snapshot.gpg.key | sudo tee /etc/apt/trusted.gpg.d/apt.llvm.org.asc
+        echo "deb http://apt.llvm.org/focal/ llvm-toolchain-focal-17 main" | sudo tee /etc/apt/sources.list.d/llvm.list
+        sudo apt-get update
+        sudo apt-get install -y crossbuild-essential-arm64 crossbuild-essential-armhf clang-17 lld-17
     - uses: actions/cache@v4
       with:
         path: |
@@ -55,16 +50,19 @@ jobs:
     - name: Install toolchain
       run: |
         rustup update
-        rustup toolchain install nightly
-        rustup target add --toolchain nightly ${{ matrix.target }}
+        rustup target add ${{ matrix.target }}
     - name: Build
       env:
-        CARGO_HOST_LINKER: "clang-18"
-        CARGO_HOST_RUSTFLAGS: "-Clink-arg=-fuse-ld=lld-18"
-        CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUSTFLAGS: "-Clinker-plugin-lto -Clinker=clang-18 -Clink-arg=-fuse-ld=lld-18 -Clink-arg=--target=x86_64-unknown-linux-gnu"
-        CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_RUSTFLAGS: "-Clinker-plugin-lto -Clinker=clang-18 -Clink-arg=-fuse-ld=lld-18 -Clink-arg=--target=aarch64-unknown-linux-gnu"
-        CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_RUSTFLAGS: "-Clinker-plugin-lto -Clinker=clang-18 -Clink-arg=-fuse-ld=lld-18 -Clink-arg=--target=armv7-unknown-linux-gnueabihf"
-      run: cargo +nightly -Ztarget-applies-to-host -Zhost-config build --verbose --release --target=${{ matrix.target }}
+        CC: clang-17
+        CXX: clang-17
+        CFLAGS: "-flto -fuse-ld=lld-17"
+        CXXFLAGS: "-flto -fuse-ld=lld-17"
+        __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS: "nightly"
+        CARGO_HOST_RUSTFLAGS: "-Clinker=clang-17 -Clink-arg=-fuse-ld=lld-17"
+        CARGO_TARGET_X86_64_UNKNOWN_LINUX_GNU_RUSTFLAGS: "-Clinker-plugin-lto -Clinker=clang-17 -Clink-arg=-fuse-ld=lld-17 -Clink-arg=--target=x86_64-unknown-linux-gnu"
+        CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_RUSTFLAGS: "-Clinker-plugin-lto -Clinker=clang-17 -Clink-arg=-fuse-ld=lld-17 -Clink-arg=--target=aarch64-unknown-linux-gnu"
+        CARGO_TARGET_ARMV7_UNKNOWN_LINUX_GNUEABIHF_RUSTFLAGS: "-Clinker-plugin-lto -Clinker=clang-17 -Clink-arg=-fuse-ld=lld-17 -Clink-arg=--target=armv7-unknown-linux-gnueabihf"
+      run: cargo -Ztarget-applies-to-host -Zhost-config build --verbose --release --target=${{ matrix.target }}
     - uses: actions/upload-artifact@v4
       with:
         name: hath-rust-${{ matrix.target }}