diff --git a/srcpkgs/openntpd/patches/fix-time_t-overflow.patch b/srcpkgs/openntpd/patches/fix-time_t-overflow.patch
new file mode 100644
index 00000000000..4afbf2ed0af
--- /dev/null
+++ b/srcpkgs/openntpd/patches/fix-time_t-overflow.patch
@@ -0,0 +1,12 @@
+--- a/src/constraint.c
++++ b/src/constraint.c
+@@ -842,7 +842,7 @@ constraint_update(void)
+ 	/* calculate median */
+ 	i = cnt / 2;
+ 	if (cnt % 2 == 0)
+-		conf->constraint_median = (values[i - 1] + values[i]) / 2;
++		conf->constraint_median = ((long long)values[i - 1] + values[i]) / 2;
+ 	else
+ 		conf->constraint_median = values[i];
+ 
+
diff --git a/srcpkgs/openntpd/template b/srcpkgs/openntpd/template
index 3460b0fd347..72c43ac0a91 100644
--- a/srcpkgs/openntpd/template
+++ b/srcpkgs/openntpd/template
@@ -1,7 +1,7 @@
 # Template file for 'openntpd'
 pkgname=openntpd
 version=6.8p1
-revision=4
+revision=5
 build_style=gnu-configure
 configure_args="--with-privsep-user=openntpd --with-cacert=/etc/ssl/certs.pem"
 hostmakedepends="automake libtool"