diff --git a/.travis.yml b/.travis.yml
index e258c0fbb..52dedf9a4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,7 +14,8 @@ smalltalk:
   - GemStone-3.2.17
   - GemStone-3.3.0  # keep in lineup because GsDevKit_home docs reference it
   - GemStone-3.3.9
-  - GemStone-3.4.2
+  - GemStone-3.4.3
+  - GemStone-3.5.0
 
 env:
   - GSCI_CLIENTS="Pharo-3.0"