diff --git a/devel/mercurial/Makefile b/devel/mercurial/Makefile
index f83a0d56df5e7..7a703295c68cf 100644
--- a/devel/mercurial/Makefile
+++ b/devel/mercurial/Makefile
@@ -1,5 +1,5 @@
 PORTNAME=	mercurial
-PORTVERSION=	6.5.3
+PORTVERSION=	6.6
 CATEGORIES=	devel python
 MASTER_SITES=	https://www.mercurial-scm.org/release/
 
diff --git a/devel/mercurial/distinfo b/devel/mercurial/distinfo
index 62cf6a6a9efd8..59f6c802c3cba 100644
--- a/devel/mercurial/distinfo
+++ b/devel/mercurial/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1699544979
-SHA256 (mercurial-6.5.3.tar.gz) = 2cdc81fade129cf56b128417527f190ba72fd776567394ce54eed764e667e7d5
-SIZE (mercurial-6.5.3.tar.gz) = 8235306
+TIMESTAMP = 1700674127
+SHA256 (mercurial-6.6.tar.gz) = 6bfd71cba0df3b18de424216b30e2a541cca6e0104853d3334be80a2ab09a4ad
+SIZE (mercurial-6.6.tar.gz) = 8250065