diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ee188b2..3fd8518 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -20,7 +20,7 @@ jobs:
       run: |
         mkdir bin
         curl -sSL https://github.com/rust-lang/mdBook/releases/download/${{ env.MDBOOK_VER }}/mdbook-${{ env.MDBOOK_VER }}-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=bin
-        echo "##[add-path]$(pwd)/bin"
+        echo "$(pwd)/bin" >> $GITHUB_PATH
     - name: Report versions
       run: |
         rustup --version