diff --git a/var/spack/repos/builtin/packages/tar/package.py b/var/spack/repos/builtin/packages/tar/package.py
index 4c9770c105..f69f4daae2 100644
--- a/var/spack/repos/builtin/packages/tar/package.py
+++ b/var/spack/repos/builtin/packages/tar/package.py
@@ -13,6 +13,7 @@ class Tar(AutotoolsPackage):
     homepage = "https://www.gnu.org/software/tar/"
     url      = "https://ftpmirror.gnu.org/tar/tar-1.29.tar.gz"
 
+    version('1.31', 'b471be6cb68fd13c4878297d856aebd50551646f4e3074906b1a74549c40d5a2')
     version('1.30', 'e0c5ed59e4dd33d765d6c90caadd3c73')
     version('1.29', 'cae466e6e58c7292355e7080248f244db3a4cf755f33f4fa25ca7f9a7ed09af0')
     version('1.28', '6ea3dbea1f2b0409b234048e021a9fd7')