diff --git a/requirements.txt b/requirements.txt
index 27059cc..0dc321f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,5 +10,5 @@ pkg-resources==0.0.0
 PyInstaller==3.3.1
 PyQt5==5.10.1
 scons==3.0.1
-sip==4.19.8
+sip==6.6.1
 stickytape==0.1.12