diff --git a/requirements.txt b/requirements.txt
index 3aa145586..1b61854f0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-wxPython == 4.0.7.post2
+wxPython == 4.0.6
 logbook >= 1.0.0
 matplotlib >= 3.1.2
 python-dateutil