diff --git a/requirements.txt b/requirements.txt
index 96b875b..b933f8e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ python-bitcoinrpc>=1.0
 bitcoin>=1.1.42
 btchip-python>=0.1.27
 trezor>=0.11.1
-PyQt5>=5.9
+PyQt5>=5.9,<5.14.1
 requests>=2.18.4
 simplejson
 ecdsa