diff --git a/sdks/python/apache_beam/runners/dataflow/internal/dependency.py b/sdks/python/apache_beam/runners/dataflow/internal/dependency.py
index 487b315e8292..7e89ab391d8a 100644
--- a/sdks/python/apache_beam/runners/dataflow/internal/dependency.py
+++ b/sdks/python/apache_beam/runners/dataflow/internal/dependency.py
@@ -77,7 +77,7 @@
 
 # Update this version to the next version whenever there is a change that will
 # require changes to legacy Dataflow worker execution environment.
-BEAM_CONTAINER_VERSION = 'beam-master-20180228'
+BEAM_CONTAINER_VERSION = 'beam-master-20180308'
 # Update this version to the next version whenever there is a change that
 # requires changes to SDK harness container or SDK harness launcher.
 BEAM_FNAPI_CONTAINER_VERSION = 'beam-master-20180228'