diff --git a/contrib/pyln-proto/requirements.txt b/contrib/pyln-proto/requirements.txt
index 5f6659d85..30e6d1c89 100644
--- a/contrib/pyln-proto/requirements.txt
+++ b/contrib/pyln-proto/requirements.txt
@@ -1,5 +1,5 @@
 bitstring==3.1.6
 cryptography==2.8
-coincurve==12.0.0
+coincurve==13.0.0
 base58==1.0.2
 secp256k1==0.13.2