diff --git a/science/ncrystal/Makefile b/science/ncrystal/Makefile
index b08c32516014..fb63deb58062 100644
--- a/science/ncrystal/Makefile
+++ b/science/ncrystal/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=	ncrystal
 DISTVERSIONPREFIX=	v
-DISTVERSION=	4.1.6
+DISTVERSION=	4.2.0
 CATEGORIES=	science # physics
 
 MAINTAINER=	yuri@FreeBSD.org
diff --git a/science/ncrystal/distinfo b/science/ncrystal/distinfo
index fe3708884b1d..a9c11355be17 100644
--- a/science/ncrystal/distinfo
+++ b/science/ncrystal/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1743578912
-SHA256 (mctools-ncrystal-v4.1.6_GH0.tar.gz) = 4fc1be0503c6e68a110b6da13963bd2bf53154794a727c63f1218a56f6241eff
-SIZE (mctools-ncrystal-v4.1.6_GH0.tar.gz) = 2719484
+TIMESTAMP = 1749700880
+SHA256 (mctools-ncrystal-v4.2.0_GH0.tar.gz) = bc01465f4e7db596ebba34df96ad744eea7cd1d2308fb2ff1ae532d0dbc50725
+SIZE (mctools-ncrystal-v4.2.0_GH0.tar.gz) = 2812384
diff --git a/science/py-ncrystal/Makefile b/science/py-ncrystal/Makefile
index 31735ffb8f3f..16b71cb75d5e 100644
--- a/science/py-ncrystal/Makefile
+++ b/science/py-ncrystal/Makefile
@@ -1,6 +1,6 @@
 PORTNAME=	ncrystal
 DISTVERSIONPREFIX=	v
-DISTVERSION=	4.1.6
+DISTVERSION=	4.2.0
 CATEGORIES=	science # physics
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
diff --git a/science/py-ncrystal/distinfo b/science/py-ncrystal/distinfo
index 21654bc9942b..a23e154ff514 100644
--- a/science/py-ncrystal/distinfo
+++ b/science/py-ncrystal/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1743584261
-SHA256 (mctools-ncrystal-v4.1.6_GH0.tar.gz) = 4fc1be0503c6e68a110b6da13963bd2bf53154794a727c63f1218a56f6241eff
-SIZE (mctools-ncrystal-v4.1.6_GH0.tar.gz) = 2719484
+TIMESTAMP = 1749705869
+SHA256 (mctools-ncrystal-v4.2.0_GH0.tar.gz) = bc01465f4e7db596ebba34df96ad744eea7cd1d2308fb2ff1ae532d0dbc50725
+SIZE (mctools-ncrystal-v4.2.0_GH0.tar.gz) = 2812384