diff --git a/synth.py b/synth.py
index a08acd814..afd261a14 100644
--- a/synth.py
+++ b/synth.py
@@ -17,13 +17,18 @@
 import synthtool as s
 from synthtool import gcp
 
-gapic = gcp.GAPICGenerator()
+gapic = gcp.GAPICBazel()
 
 versions = ["v2beta1", "v2"]
 
 
 for version in versions:
-    library = gapic.py_library("dialogflow", version,  config_path=version + '/artman_dialogflow_' + version + '.yaml', include_protos=True)
+    library = gapic.py_library(
+        "dialogflow",
+        version,
+        bazel_target=f"//google/cloud/dialogflow/{version}:dialogflow-{version}-py",
+        include_protos=True,
+    )
 
     s.move(
         library,
@@ -95,29 +100,26 @@
 )
 
 # Docstring has '-----' which is interpreted as RST section title
-s.replace(
-    "dialogflow_v2beta1/proto/intent_pb2.py",
-    "\s+-----------",
-    ""
-)
+s.replace("dialogflow_v2beta1/proto/intent_pb2.py", "\s+-----------", "")
 
 s.replace(
     "dialogflow_*/proto/session_pb2.py",
     "============================================================================",
-    ""
+    "",
 )
 
 
 # Replace bad hyperlink references
-s.replace(
-    "dialogflow_*/proto/audio_config_pb2.py",
-    "\s*\<\>`__",
-    "`"
-)
+s.replace("dialogflow_*/proto/audio_config_pb2.py", "\s*\<\>`__", "`")
 
 
-s.replace('dialogflow_v2/proto/agent_pb2.py', ':math:', '')
-s.replace('dialogflow_v2/proto/agent_pb2.py', ':raw-latex:', '')
+s.replace("dialogflow_v2/proto/agent_pb2.py", ":math:", "")
+s.replace("dialogflow_v2/proto/agent_pb2.py", ":raw-latex:", "")
 
-s.shell.run(["nox", "-s", "blacken"], hide_output=False)
+# ignore sphinx warnings
+# TODO: remove with microgenerator transition
+s.replace("noxfile.py",
+"""['"]-W['"],  # warnings as errors""",
+"")
 
+s.shell.run(["nox", "-s", "blacken"], hide_output=False)