diff --git a/contrib/pyln-proto/requirements.txt b/contrib/pyln-proto/requirements.txt
index 3b2d7cfd6..f42efcf2f 100644
--- a/contrib/pyln-proto/requirements.txt
+++ b/contrib/pyln-proto/requirements.txt
@@ -2,5 +2,5 @@ base58 ~= 2.0.1
 bitstring ~= 3.1.6
 coincurve ~= 13.0.0
 cryptography ~= 3.2
-mypy ~= 0.790
+mypy==0.790
 pysocks ~= 1.7.1
diff --git a/contrib/pyln-proto/setup.py b/contrib/pyln-proto/setup.py
index e4b7b7d80..a404cf0af 100644
--- a/contrib/pyln-proto/setup.py
+++ b/contrib/pyln-proto/setup.py
@@ -1,3 +1,4 @@
+
 from setuptools import setup
 import codecs
 import io