diff --git a/math/py-narwhals/Makefile b/math/py-narwhals/Makefile
index 181979156579..c81a7479d0ab 100644
--- a/math/py-narwhals/Makefile
+++ b/math/py-narwhals/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	narwhals
-PORTVERSION=	2.18.1
+PORTVERSION=	2.20.0
 CATEGORIES=	math python
 MASTER_SITES=	PYPI \
 		https://github.com/narwhals-dev/narwhals/releases/download/v${PORTVERSION}/
diff --git a/math/py-narwhals/distinfo b/math/py-narwhals/distinfo
index 838c09d4b650..d122f9f49f30 100644
--- a/math/py-narwhals/distinfo
+++ b/math/py-narwhals/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1775587532
-SHA256 (narwhals-2.18.1.tar.gz) = 652a1fcc9d432bbf114846688884c215f17eb118aa640b7419295d2f910d2a8b
-SIZE (narwhals-2.18.1.tar.gz) = 620578
+TIMESTAMP = 1777252762
+SHA256 (narwhals-2.20.0.tar.gz) = c10994975fa7dc5a68c2cffcddbd5908fc8ebb2d463c5bab085309c0ee1f551e
+SIZE (narwhals-2.20.0.tar.gz) = 627848