diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 54f7b64..23b2556 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -24,6 +24,7 @@ jobs:
 
       - name: Build
         run: |
+          export TZ=UTC
           cd doc
           doxygen