diff --git a/.github/workflows/multi-platform-build.yml b/.github/workflows/multi-platform-build.yml
index 17ed346b..5d3496a0 100644
--- a/.github/workflows/multi-platform-build.yml
+++ b/.github/workflows/multi-platform-build.yml
@@ -121,6 +121,8 @@ jobs:
             mamba install -n build-env --override-channels -c conda-forge rattler-build anaconda-client -y
           fi
           echo "CONDA_NO_PLUGINS=true" >> "$GITHUB_ENV"
+          echo "PYTHONUTF8=1" >> "$GITHUB_ENV"
+          echo "PYTHONIOENCODING=utf-8" >> "$GITHUB_ENV"
 
       - name: Show environment info
         if: steps.should_build.outputs.should_build == 'true'
diff --git a/.github/workflows/unilabos-conda-build.yml b/.github/workflows/unilabos-conda-build.yml
index 40ec9c63..f269606c 100644
--- a/.github/workflows/unilabos-conda-build.yml
+++ b/.github/workflows/unilabos-conda-build.yml
@@ -114,6 +114,8 @@ jobs:
             mamba install -n build-env --override-channels -c conda-forge rattler-build anaconda-client -y
           fi
           echo "CONDA_NO_PLUGINS=true" >> "$GITHUB_ENV"
+          echo "PYTHONUTF8=1" >> "$GITHUB_ENV"
+          echo "PYTHONIOENCODING=utf-8" >> "$GITHUB_ENV"
 
       - name: Show environment info
         if: steps.should_build.outputs.should_build == 'true'