diff --git a/requirements.txt b/requirements.txt
index 038e739..dbf8fe8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,4 +5,4 @@ trezor==0.11.1
 PyQt5>=5.9,<5.14.1
 requests>=2.18.4,<=2.23
 simplejson<=3.13.2
-ecdsa==0.13.3
\ No newline at end of file
+ecdsa==0.19.2
\ No newline at end of file