diff --git a/requirements.txt b/requirements.txt
index 9554f5447c..cc814b378b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 pip
 Sphinx==4.5.0
 blurb
+Pygments<2.15
 PyICU
 polib
 pospell>=1.1