diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6cc38417dac..f61ddab4028 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,6 +26,7 @@ jobs:
       fail-fast: false
     steps:
       - uses: actions/checkout@v2
+      - run: rustup toolchain install 1.51.0 && rustup default 1.51.0
       - run: cargo install --version 0.30.0 cargo-make
       - run: cargo make -e BUILDSYS_VARIANT=${{ matrix.variant }} unit-tests
       - run: cargo make -e BUILDSYS_VARIANT=${{ matrix.variant }} -e BUILDSYS_ARCH=${{ matrix.arch }} -e BUILDSYS_JOBS=12