diff --git a/requirements.txt b/requirements.txt
index 0154147..d682a2e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 PyQt5                   == 5.15.11
-ecdsa                   == 0.19.0
+ecdsa                   == 0.19.2
 openpyxl                == 3.1.5
 pyaes                   == 1.6.1
 serial                  == 0.0.97