diff --git a/doc/requirements.txt b/doc/requirements.txt
index 3571388ed0..7dc55a8279 100644
--- a/doc/requirements.txt
+++ b/doc/requirements.txt
@@ -1,5 +1,5 @@
 sphinx==5.1.1
-PyQt6==6.3.1
+PyQt6==6.4.1
 sphinx_rtd_theme
 numpy
 pyopengl