diff --git a/var/spack/repos/builtin/packages/r/package.py b/var/spack/repos/builtin/packages/r/package.py
index 09e5be5f20..46c56787aa 100644
--- a/var/spack/repos/builtin/packages/r/package.py
+++ b/var/spack/repos/builtin/packages/r/package.py
@@ -40,6 +40,8 @@ class R(AutotoolsPackage):
 
     extendable = True
 
+    version('3.5.0', 'c0455dbfa76ca807e4dfa93d49dcc817')
+    version('3.4.4', '9d6f73be072531e95884c7965ff80cd8')
     version('3.4.3', 'bc55db54f992fda9049201ca62d2a584')
     version('3.4.2', '1cd6d37850188e7f190f1eb94a24ca1f')
     version('3.4.1', '3a79c01dc0527c62e80ffb1c489297ea')