diff --git a/spack.yaml b/spack.yaml
index b54d57438e86d4ef6b87f32aca1d5436aeac546f..5e4f71d525e48ff99380ef921daae692a620c84c 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -17,7 +17,7 @@ spack:
     - edm4hep@0.7 cxxstd=17
     - eic-smear@1.1.10
     - eigen@3.4.0
-    - emacs
+    - emacs@28.2
     - fastjet@3.4.0
     - fmt@8.1.1 +shared cxxstd=17
     - gaudi@36.7 +aida