diff --git a/var/spack/repos/builtin/packages/mrnet/package.py b/var/spack/repos/builtin/packages/mrnet/package.py
index a3abb71285..b52233be4a 100644
--- a/var/spack/repos/builtin/packages/mrnet/package.py
+++ b/var/spack/repos/builtin/packages/mrnet/package.py
@@ -6,6 +6,7 @@ class Mrnet(Package):
     url      = "ftp://ftp.cs.wisc.edu/paradyn/mrnet/mrnet_5.0.1.tar.gz"
     list_url = "http://ftp.cs.wisc.edu/paradyn/mrnet"
 
+    version('5.0.1-2', git='https://github.com/dyninst/mrnet.git', commit='20b1eacfc6d680d9f6472146d2dfaa0f900cc2e9')
     version('5.0.1', '17f65738cf1b9f9b95647ff85f69ecdd')
     version('4.1.0', '5a248298b395b329e2371bf25366115c')
     version('4.0.0', 'd00301c078cba57ef68613be32ceea2f')