diff --git a/action.yml b/action.yml
index 2b2e9bc..4bc028e 100644
--- a/action.yml
+++ b/action.yml
@@ -38,6 +38,7 @@ runs:
         : install rustup if needed
         if ! command -v rustup &>/dev/null; then
           curl --proto '=https' --tlsv1.2 --retry 10 --retry-connrefused -fsSL "https://sh.rustup.rs" | sh -s -- --default-toolchain none -y
+          source "${CARGO_HOME:-$HOME/.cargo}/env"
           echo "${CARGO_HOME:-$HOME/.cargo}/bin" >> $GITHUB_PATH
           rustup show active-toolchain
         fi