diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index d9a7cc2c..35524f9d 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -117,7 +117,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set up micromamba
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: environment.yml
 
@@ -245,7 +245,7 @@ jobs:
               -pyver=${{ matrix.python-version }} pyproject.toml
 
       - name: Set up micromamba
-        uses: mamba-org/setup-micromamba@v1
+        uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: environment.yml