diff --git a/srcpkgs/mksh/patches/fix-manpage-for-mandoc.patch b/srcpkgs/mksh/patches/fix-manpage-for-mandoc.patch
index 398ea8781f..26eafb6919 100644
--- a/srcpkgs/mksh/patches/fix-manpage-for-mandoc.patch
+++ b/srcpkgs/mksh/patches/fix-manpage-for-mandoc.patch
@@ -44,7 +44,7 @@
 -.\" with -mandoc, it might implement .Mx itself, but we want to
 -.\" use our own definition. And .Dd must come *first*, always.
 -.\"
--.Dd $Mdocdate: April 12 2015 $
+-.Dd $Mdocdate: July 10 2015 $
 -.\"
 -.\" Check which macro package we use, and do other -mdoc setup.
 -.\"
@@ -117,7 +117,7 @@
 -..
 -.\}
 -.\"-
-+.Dd April 12 2015
++.Dd July 10 2015
  .Dt MKSH 1
  .Os MirBSD
  .Sh NAME
diff --git a/srcpkgs/mksh/template b/srcpkgs/mksh/template
index 6dd32ce488..473c5598ad 100644
--- a/srcpkgs/mksh/template
+++ b/srcpkgs/mksh/template
@@ -1,6 +1,6 @@
 # Template file for 'mksh'
 pkgname=mksh
-version=R50f
+version=R51
 revision=1
 wrksrc=mksh
 build_pie=yes
@@ -10,7 +10,7 @@ maintainer="Ypnose <linuxienATlegtuxDOTorg>"
 homepage="https://www.mirbsd.org/mksh.htm"
 license="MirOS"
 distfiles="https://www.mirbsd.org/MirOS/dist/mir/${pkgname}/${pkgname}-${version}.tgz"
-checksum=74e051ce92ece9555d91505b956572f64668fc88c5ccabee742099e7f29a2bcb
+checksum="9feeaa5ff33d8199c0123675dec29785943ffc67152d58d431802bc20765dadf"
 
 build_options="static"