diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index ea69444..2ab9be1 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -15,8 +15,6 @@ jobs:
       matrix:
         toolchain:
           - stable
-          - beta
-          - nightly
     steps:
       - uses: actions/checkout@v3
       - run: cd transformer && rustup update ${{ matrix.toolchain }} && rustup default ${{ matrix.toolchain }}