diff --git a/spack.yaml b/spack.yaml
index 525151def5c42f275a4dcb63d69e9b8e73fefee0..feb0089df7ca54f6360ccaf9a85c3b97e5e6ad63 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -8,7 +8,7 @@ spack:
     - dawncut@1_54a
     - dd4hep@1.18 +geant4 +assimp +hepmc3 +ipo +lcio
     - eigen@3.4.0
-    - emacs@27.0:27.99 toolkit=athena
+    - emacs@27.2 toolkit=athena
     - fastjet@3.3.3
     - fmt@7.1.2 +shared cxxstd=17
     - gaudi@36.0