diff --git a/Dockerfile b/Dockerfile
index 808f809..5a759f4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -239,7 +239,7 @@ ENV CLING_STANDARD_PCH=none
 # Assumptions
 #  - GEANT4 defined to be a release of geant4 or LDMX's fork of geant4
 ###############################################################################
-ENV GEANT4=LDMX.10.2.3_v0.5
+ENV GEANT4=LDMX.10.2.3_v0.6
 ENV G4DATADIR="${__prefix}/share/geant4/data"
 LABEL geant4.version="${GEANT4}"
 RUN __owner="geant4" &&\