diff --git a/var/spack/repos/builtin/packages/gmap-gsnap/package.py b/var/spack/repos/builtin/packages/gmap-gsnap/package.py
index 7268111652..e9d6ab2841 100644
--- a/var/spack/repos/builtin/packages/gmap-gsnap/package.py
+++ b/var/spack/repos/builtin/packages/gmap-gsnap/package.py
@@ -33,6 +33,7 @@ class GmapGsnap(AutotoolsPackage):
     homepage = "http://research-pub.gene.com/gmap/"
     url      = "http://research-pub.gene.com/gmap/src/gmap-gsnap-2017-06-16.tar.gz"
 
+    version('2018-07-04', sha256='a9f8c1f0810df65b2a089dc10be79611026f4c95e4681dba98fea3d55d598d24')
     version('2018-03-25', 'f08e65c1e4d9574a3eb7f15f8ca6af16')
     version('2018-02-12', '13152aedeef9ac66be915fc6bf6464f2')
     version('2017-06-16', 'fcc91b8bdd4bf12ae3124de0c00db0c0')