diff --git a/sdks/python/apache_beam/runners/dataflow/internal/names.py b/sdks/python/apache_beam/runners/dataflow/internal/names.py
index fb5b1c690064..5b9ef34fc210 100644
--- a/sdks/python/apache_beam/runners/dataflow/internal/names.py
+++ b/sdks/python/apache_beam/runners/dataflow/internal/names.py
@@ -39,7 +39,7 @@
 BEAM_CONTAINER_VERSION = 'beam-master-20210720'
 # 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-20210720'
+BEAM_FNAPI_CONTAINER_VERSION = 'beam-master-20210804'
 
 DATAFLOW_CONTAINER_IMAGE_REPOSITORY = 'gcr.io/cloud-dataflow/v1beta3'