diff --git a/requirements.txt b/requirements.txt
index d8a484d..00c9aa0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
-wxpython
+# Stay in wxPython 4.0.3 because 4.0.4 has some regressions in accessibility related components.
+wxpython==4.0.3
 pywin32
 markdown
 vk_api