diff --git a/spack.sh b/spack.sh
index 643a5e4cdbb9b06b113a88f9d6ffeb4850eaead5..ada33d274fc4555e79e504fd31474444aa616d3f 100644
--- a/spack.sh
+++ b/spack.sh
@@ -27,6 +27,7 @@ ed76eab6943221f17776fd8d128ade6ba69e492c
 6c5d125cb06a86ce05bec27ae9fb9b07103bc1c5
 e3e7609af4903be7df42b6ae5ccf9a20293503d2
 df4a2457a41e7ab634e86d3148d8b22a9f433a6a
+a65f13f79f617b6aa0b235aa5db612473b6d8c0e
 ---
 ## Ref: https://github.com/spack/spack/commit/[hash]
 ## [hash]: [description]
@@ -49,3 +50,4 @@ df4a2457a41e7ab634e86d3148d8b22a9f433a6a
 ## 6c5d125cb06a86ce05bec27ae9fb9b07103bc1c5: cernlib: new variant shared
 ## e3e7609af4903be7df42b6ae5ccf9a20293503d2: edm4hep: Add version 0.9
 ## df4a2457a41e7ab634e86d3148d8b22a9f433a6a: Fix broken semver regex
+## a65f13f79f617b6aa0b235aa5db612473b6d8c0e: root: add latest available tag