diff --git a/.github/workflows/ci-ifcopenshell-conda-cleaner.yml b/.github/workflows/ci-ifcopenshell-conda-cleaner.yml
index f992a7fd27..5c1b80bcc6 100644
--- a/.github/workflows/ci-ifcopenshell-conda-cleaner.yml
+++ b/.github/workflows/ci-ifcopenshell-conda-cleaner.yml
@@ -24,7 +24,7 @@ jobs:
     if: |
       github.repository == 'IfcOpenShell/IfcOpenShell'
     steps:
-      - uses: mamba-org/setup-micromamba@v1 # https://github.com/mamba-org/setup-micromamba
+      - uses: mamba-org/setup-micromamba@v2 # https://github.com/mamba-org/setup-micromamba
         with:
           environment-name: test-env
           create-args: >-