diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index 5c6f3bd..c52bc83 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -77,7 +77,7 @@ jobs:
         with:
           qt: true
           pyvista: false
-      - uses: mamba-org/setup-micromamba@v1
+      - uses: mamba-org/setup-micromamba@v2
         with:
           environment-file: environment.yml
           create-args: >- # beware the >- instead of |, we don't split on newlines but on spaces