diff --git a/key4hep-spack.sh b/key4hep-spack.sh
index 44b0366d0a50dc9154b74c1083142976221fb5b2..895fa4ac07846061765bc6b216df9058737890fb 100644
--- a/key4hep-spack.sh
+++ b/key4hep-spack.sh
@@ -3,4 +3,4 @@ KEY4HEPSPACK_ORGREPO="key4hep/key4hep-spack"
 
 ## Key4HEP spack commit hash or github version, e.g. v0.19.7
 ## note: nightly builds could use a branch e.g. releases/v0.19
-KEY4HEPSPACK_VERSION="d0a5a8d3ed386cd668a31540167d3f1317862cef"
+KEY4HEPSPACK_VERSION="8e13fadcaa76e66efe8807cba3d08170b6272ef3"