diff --git a/contrib/pyln-proto/requirements.txt b/contrib/pyln-proto/requirements.txt
index 4c579bfd1..0f9d06da9 100644
--- a/contrib/pyln-proto/requirements.txt
+++ b/contrib/pyln-proto/requirements.txt
@@ -1,5 +1,5 @@
 bitstring==3.1.6
-cryptography==2.8
+cryptography==3.2
 coincurve==13.0.0
 base58==1.0.2
 mypy
diff --git a/requirements.txt b/requirements.txt
index 23dfd8f54..09bdfa543 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ bitstring==3.1.6
 cheroot==8.2.1
 coincurve==13.0.0
 commonmark==0.8.1
-cryptography==2.8
+cryptography==3.2
 ephemeral-port-reserve==1.1.1
 flake8==3.7.8
 flaky==3.6.1