diff --git a/build_docs.py b/build_docs.py
index 09796f1..9e6804c 100755
--- a/build_docs.py
+++ b/build_docs.py
@@ -295,6 +295,7 @@ def __gt__(self, other):
     Language("zh-cn", "zh_CN", "Simplified Chinese", True, XELATEX_WITH_CJK),
     Language("zh-tw", "zh_TW", "Traditional Chinese", True, XELATEX_WITH_CJK),
     Language("pl", "pl", "Polish", False, XELATEX_DEFAULT),
+    Language("uk", "uk", "Ukrainian", False, XELATEX_DEFAULT),
 }