diff --git a/spack.sh b/spack.sh
index a5d9004ee1eb6b9f584cf173f67a12b406e976c6..eadcb39b25a5e37cb1565da0deefd32b1ba051f2 100644
--- a/spack.sh
+++ b/spack.sh
@@ -33,6 +33,7 @@ c17fc3c0c1ecbebcfbf57214bf2724e26e6e1883
 ef4b35ea6361e83b243b375fc4e2a28cfc25bc8f
 36dd3251876895167270e26b14d16181895d6ace
 518da168331fd0e58c6c3a611b52507d1750b13a
+a65f13f79f617b6aa0b235aa5db612473b6d8c0e
 ---
 ## Ref: https://github.com/spack/spack/commit/[hash]
 ## [hash]: [description]
@@ -62,3 +63,4 @@ ef4b35ea6361e83b243b375fc4e2a28cfc25bc8f
 ## 36dd3251876895167270e26b14d16181895d6ace: gaudi: new versions 36.[11-14]
 ## // e51748ee8f89e0d3db4e426e3d04157129a45622: zlib-api: new virtual with zlib/zlib-ng as providers
 ## 518da168331fd0e58c6c3a611b52507d1750b13a: Gaudi: Add a few versions and a dependency on tbb after 37.1
+## a65f13f79f617b6aa0b235aa5db612473b6d8c0e: root: add latest available tag