diff --git a/packages/google-cloud-dialogflow/.github/.OwlBot.lock.yaml b/packages/google-cloud-dialogflow/.github/.OwlBot.lock.yaml
index b771c37caef8..a9fcd07cc43b 100644
--- a/packages/google-cloud-dialogflow/.github/.OwlBot.lock.yaml
+++ b/packages/google-cloud-dialogflow/.github/.OwlBot.lock.yaml
@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/repo-automation-bots/owlbot-python:latest
-  digest: sha256:a1a891041baa4ffbe1a809ac1b8b9b4a71887293c9101c88e8e255943c5aec2d
+  digest: sha256:9743664022bd63a8084be67f144898314c7ca12f0a03e422ac17c733c129d803
diff --git a/packages/google-cloud-dialogflow/noxfile.py b/packages/google-cloud-dialogflow/noxfile.py
index 7b43f05a85cc..4e2427c8b69d 100644
--- a/packages/google-cloud-dialogflow/noxfile.py
+++ b/packages/google-cloud-dialogflow/noxfile.py
@@ -84,9 +84,15 @@ def default(session):
     constraints_path = str(
         CURRENT_DIRECTORY / "testing" / f"constraints-{session.python}.txt"
     )
-    session.install("asyncmock", "pytest-asyncio", "-c", constraints_path)
-
-    session.install("mock", "pytest", "pytest-cov", "-c", constraints_path)
+    session.install(
+        "mock",
+        "asyncmock",
+        "pytest",
+        "pytest-cov",
+        "pytest-asyncio",
+        "-c",
+        constraints_path,
+    )
 
     session.install("-e", ".", "-c", constraints_path)
 
diff --git a/packages/google-cloud-dialogflow/scripts/readme-gen/templates/install_deps.tmpl.rst b/packages/google-cloud-dialogflow/scripts/readme-gen/templates/install_deps.tmpl.rst
index a0406dba8c84..275d649890d7 100644
--- a/packages/google-cloud-dialogflow/scripts/readme-gen/templates/install_deps.tmpl.rst
+++ b/packages/google-cloud-dialogflow/scripts/readme-gen/templates/install_deps.tmpl.rst
@@ -12,7 +12,7 @@ Install Dependencies
    .. _Python Development Environment Setup Guide:
        https://cloud.google.com/python/setup
 
-#. Create a virtualenv. Samples are compatible with Python 2.7 and 3.4+.
+#. Create a virtualenv. Samples are compatible with Python 3.6+.
 
     .. code-block:: bash