diff --git a/releng/maps/dependencies.properties b/releng/maps/dependencies.properties
index 8b8e2af..ffca36d 100644
--- a/releng/maps/dependencies.properties
+++ b/releng/maps/dependencies.properties
@@ -176,8 +176,8 @@
 # GEF SDK will be used for building the distribution
 # groupID : gef
 
-gef.id=2.4.0M7
-gef.dir.id=S200805052017
+gef.id=3.4.0M7
+gef.dir.id=S200804291800
 
 gef.mirror.prefixuri=/tools/gef/downloads/drops/3.4.0/${gef.dir.id}
 gef.file=GEF-SDK-${gef.id}.zip