diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8829204..8aae133 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,8 +12,8 @@ jobs:
       - name: install elan
         run: |
           set -o pipefail
-          curl -sSfL https://github.com/leanprover/elan/releases/download/v1.3.1/elan-x86_64-unknown-linux-gnu.tar.gz | tar xz
-          ./elan-init -y
+          curl -sSfL https://github.com/leanprover/elan/releases/download/v1.4.2/elan-x86_64-unknown-linux-gnu.tar.gz | tar xz
+          ./elan-init -y --default-toolchain none
           echo "$HOME/.elan/bin" >> $GITHUB_PATH
 
       - uses: actions/checkout@v2