diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cf4ae2a..68a7337 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -145,6 +145,7 @@ jobs:
         }
     - name: Build with pyinstaller
       run: |
+        micromamba activate eos_build
         pyinstaller windows_build.spec
         cd dist\eos
         Compress-Archive -Path .\* -Destination ..\..\eos.zip