diff --git a/eic-spack.sh b/eic-spack.sh
index 18b1c2cc5b050bfd8509cae826ca50fad2557f75..1a5addbf0dbbb664b41a63ee2ef9d5ff536a90b1 100644
--- a/eic-spack.sh
+++ b/eic-spack.sh
@@ -3,7 +3,7 @@ EICSPACK_ORGREPO="eic/eic-spack"
 
 ## EIC spack github version, e.g. v0.19.7 or commit hash
 ## note: nightly builds will use e.g. releases/v0.19
-EICSPACK_VERSION="dd4hep-1.26"
+EICSPACK_VERSION="v0.20.13"
 
 ## Space-separated list of eic-spack cherry-picks
 read -r -d '' EICSPACK_CHERRYPICKS <<- \