diff --git a/spack-environment/packages.yaml b/spack-environment/packages.yaml
index 75c182f0ffc46f797d115ffbea0ed4e3ae7c39b2..6d376cd11c27593ba0dad90520e4dc1389a59b20 100644
--- a/spack-environment/packages.yaml
+++ b/spack-environment/packages.yaml
@@ -163,7 +163,7 @@ packages:
     - -ipo +podio +root +zmq
   juggler:
     require:
-    - '@11.0.0'
+    - '@12.0.0'
     - cxxstd=20
   k4actstracking:
     require: