diff --git a/.github/workflows/gh_pages.yml b/.github/workflows/gh_pages.yml
index 163920f..4e3aada 100644
--- a/.github/workflows/gh_pages.yml
+++ b/.github/workflows/gh_pages.yml
@@ -22,7 +22,7 @@ jobs:
           submodules: 'true'
 
       - name: setup micromamba
-        uses: mamba-org/setup-micromamba@v2
+        uses: mamba-org/setup-micromamba@v3
         with:
           environment-file: docs/environment.yml
           environment-name: docs