diff --git a/action.yml b/action.yml
index b48984a..18c1d57 100644
--- a/action.yml
+++ b/action.yml
@@ -91,6 +91,8 @@ runs:
 
     - name: rustup toolchain install ${{steps.parse.outputs.toolchain}}
       run: rustup toolchain install ${{steps.parse.outputs.toolchain}}${{steps.flags.outputs.targets}}${{steps.flags.outputs.components}} --profile minimal${{steps.flags.outputs.downgrade}} --no-self-update
+      env:
+        RUSTUP_PERMIT_COPY_RENAME: 1
       shell: bash
 
     - run: rustup default ${{steps.parse.outputs.toolchain}}