diff --git a/net/unison/2.5x/Makefile b/net/unison/2.5x/Makefile
index a29b81b19d8..b45ebea1f26 100644
--- a/net/unison/2.5x/Makefile
+++ b/net/unison/2.5x/Makefile
@@ -1,6 +1,5 @@
-# $OpenBSD: Makefile,v 1.14 2021/12/10 04:11:00 daniel Exp $
+# $OpenBSD: Makefile,v 1.15 2021/12/19 18:49:45 bket Exp $
 
-GH_TAGNAME=	v2.51.4
-REVISION=	1
+GH_TAGNAME=	v2.51.5
 
 .include <bsd.port.mk>
diff --git a/net/unison/2.5x/distinfo b/net/unison/2.5x/distinfo
index 2110fc666e5..abbb4a7f896 100644
--- a/net/unison/2.5x/distinfo
+++ b/net/unison/2.5x/distinfo
@@ -1,2 +1,2 @@
-SHA256 (unison-2.51.4.tar.gz) = 0ezHWBqvLtDzQD1JYPRorNe58dkoOKF8lubR33m4AtU=
-SIZE (unison-2.51.4.tar.gz) = 1371579
+SHA256 (unison-2.51.5.tar.gz) = fodjcZkuv4kLYPMt+ICpinX+jEfAa3sq4q02vkgBPoM=
+SIZE (unison-2.51.5.tar.gz) = 1385407