diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index d9816d62..b5b1e4d2 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -40,7 +40,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: setup micromamba
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: ${{ matrix.environment-file }}
           micromamba-version: "latest"