diff --git a/var/spack/repos/builtin/packages/subread/package.py b/var/spack/repos/builtin/packages/subread/package.py
index 2272aa630e..25dd2993da 100644
--- a/var/spack/repos/builtin/packages/subread/package.py
+++ b/var/spack/repos/builtin/packages/subread/package.py
@@ -14,6 +14,7 @@ class Subread(MakefilePackage):
     homepage = "http://subread.sourceforge.net/"
     url      = "https://downloads.sourceforge.net/project/subread/subread-1.5.2/subread-1.5.2-source.tar.gz"
 
+    version('1.6.4', sha256='b7bd0ee3b0942d791aecce6454d2f3271c95a010beeeff2daf1ff71162e43969')
     version('1.6.2', '70125531737fe9ba2be83622ca236e5e')
     version('1.6.0', 'ed7e32c56bda1e769703e0a4db5a89a7')
     version('1.5.2', '817d2a46d87fcef885c8832475b8b247')