diff --git a/math/py-chaospy/Makefile b/math/py-chaospy/Makefile
index 72a7edac4508..fd85b4ab6654 100644
--- a/math/py-chaospy/Makefile
+++ b/math/py-chaospy/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 PORTNAME=	chaospy
-DISTVERSION=	4.2.1
+DISTVERSION=	4.2.2
 CATEGORIES=	math python
 MASTER_SITES=	CHEESESHOP
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
diff --git a/math/py-chaospy/distinfo b/math/py-chaospy/distinfo
index 857ea6a7b58a..9baf8e143273 100644
--- a/math/py-chaospy/distinfo
+++ b/math/py-chaospy/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1606300589
-SHA256 (chaospy-4.2.1.tar.gz) = f91c4fb025192c2ff4ddd2d3626e44b9c3a1097be8cdb99c0755a41418394e74
-SIZE (chaospy-4.2.1.tar.gz) = 133055
+TIMESTAMP = 1607490048
+SHA256 (chaospy-4.2.2.tar.gz) = f0482c2c3d5845b7abe8b93c12f909f7a2ff7d82c9652bd89a6adf3b08fee576
+SIZE (chaospy-4.2.2.tar.gz) = 154180