diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b250231c1..1a8007d96 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -101,7 +101,7 @@ jobs:
           cat environment.yml
 
       - name: mamba setup
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: environment.yml
           cache-downloads: true