diff --git a/var/spack/repos/builtin/packages/r-seqinr/package.py b/var/spack/repos/builtin/packages/r-seqinr/package.py
index 998b01dbed..3a01d7d1c7 100644
--- a/var/spack/repos/builtin/packages/r-seqinr/package.py
+++ b/var/spack/repos/builtin/packages/r-seqinr/package.py
@@ -32,7 +32,9 @@ class RSeqinr(RPackage):
 
     homepage = "http://seqinr.r-forge.r-project.org"
     url      = "https://cran.r-project.org/src/contrib/seqinr_3.3-6.tar.gz"
+    list_url = "https://cran.r-project.org/package=seqinr"
 
+    version('3.4-5', 'd550525dcea754bbd5b83cb46b4124cc')
     version('3.3-6', '73023d627e72021b723245665e1ad055')
 
     depends_on('r@2.10:')