diff --git a/var/spack/repos/builtin/packages/root/package.py b/var/spack/repos/builtin/packages/root/package.py
index d0262786f6..b937dfd0e2 100644
--- a/var/spack/repos/builtin/packages/root/package.py
+++ b/var/spack/repos/builtin/packages/root/package.py
@@ -28,6 +28,7 @@ class Root(CMakePackage):
     # Development version (when more recent than production).
 
     # Production version
+    version('6.22.06', sha256='c4688784a7e946cd10b311040b6cf0b2f75125a7520e04d1af0b746505911b57')
     version('6.22.02', sha256='89784afa9c9047e9da25afa72a724f32fa8aa646df267b7731e4527cc8a0c340')
     version('6.22.00', sha256='efd961211c0f9cd76cf4a486e4f89badbcf1d08e7535bba556862b3c1a80beed')
     version('6.20.08', sha256='d02f224b4908c814a99648782b927c353d44db79dea2cadea86138c1afc23ae9')