diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index c25d21c89c17214c930476119f04b02a712b1cf6..94263f96583f35405d387a0ba59bbae53c4045ec 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,9 +10,10 @@ variables:
   ## Spack github version, e.g. v0.18.1 or commit hash
   SPACK_VERSION: "v0.19.0"
   ## Space-separated list of spack cherry-picks
-  SPACK_CHERRYPICKS: ""
+  SPACK_CHERRYPICKS: "b5ef5c2eb5145020f9de1bcb964626ce6ac2d02e"
   ## Ref: https://github.com/spack/spack/commit/[hash]
   ## [hash]: [description]
+  ## b5ef5c2eb5145020f9de1bcb964626ce6ac2d02e: geant4: version bumps for Geant4 11.1.0
 
   ## EIC spack organization and repository, e.g. eic/eic-spack
   EICSPACK_ORGREPO: "eic/eic-spack"
diff --git a/spack.yaml b/spack.yaml
index b32fe8b5ac9eff5593ea1268fcd72b4a457c47ae..355c7e8d73b7cb3e38b6281dfd468d625595ec37 100644
--- a/spack.yaml
+++ b/spack.yaml
@@ -20,7 +20,7 @@ spack:
     - fastjet@3.4.0
     - fmt@8.1.1 +shared cxxstd=17
     - gaudi@36.7 +aida
-    - geant4@11.0.3 cxxstd=17 +opengl +vecgeom +x11 +qt +threads
+    - geant4@11.1.0 cxxstd=17 +opengl +vecgeom +x11 +qt +threads
     - hepmc3@3.2.5 +python +rootio
     - heppdt@2.06.01
     - igprof@5.9.16