diff --git a/net-mgmt/alertmanager/Makefile b/net-mgmt/alertmanager/Makefile
index 80ea5d23b2e4..402e8929efee 100644
--- a/net-mgmt/alertmanager/Makefile
+++ b/net-mgmt/alertmanager/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	alertmanager
-PORTVERSION=	0.11.0
+PORTVERSION=	0.12.0
 DISTVERSIONPREFIX=	v
 CATEGORIES=	net-mgmt
 
diff --git a/net-mgmt/alertmanager/distinfo b/net-mgmt/alertmanager/distinfo
index 7bf630473d44..ec0ad45e13fa 100644
--- a/net-mgmt/alertmanager/distinfo
+++ b/net-mgmt/alertmanager/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1512591730
-SHA256 (prometheus-alertmanager-v0.11.0_GH0.tar.gz) = 0d1a27f220101cf6691adfd504311a824c95cf2ed02bed900536616aa398aaf3
-SIZE (prometheus-alertmanager-v0.11.0_GH0.tar.gz) = 3683030
+TIMESTAMP = 1513518154
+SHA256 (prometheus-alertmanager-v0.12.0_GH0.tar.gz) = 67e31fe019392fbc1c1b083cb499556553faf0f50c294b5de8c63ba6945966e6
+SIZE (prometheus-alertmanager-v0.12.0_GH0.tar.gz) = 3683962