diff --git a/peer-connection/requirements.txt b/peer-connection/requirements.txt
index 5881b5c..d8a6458 100644
--- a/peer-connection/requirements.txt
+++ b/peer-connection/requirements.txt
@@ -1,4 +1,4 @@
-ecdsa==0.13.2
+ecdsa==0.13.3
 pkg-resources==0.0.0
 protobuf==3.9.1
 six==1.12.0