diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8896d724..22f74b25 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [0.7.1](https://www.github.com/googleapis/python-dialogflow-cx/compare/v0.7.0...v0.7.1) (2021-06-16)
+
+
+### Bug Fixes
+
+* **deps:** add packaging requirement ([#105](https://www.github.com/googleapis/python-dialogflow-cx/issues/105)) ([5d47692](https://www.github.com/googleapis/python-dialogflow-cx/commit/5d476920c8c6825050a828896231542f6bfde2e2))
+
 ## [0.7.0](https://www.github.com/googleapis/python-dialogflow-cx/compare/v0.6.0...v0.7.0) (2021-06-16)
 
 
diff --git a/setup.py b/setup.py
index c84ed6ab..f7a8605e 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 import os
 import setuptools  # type: ignore
 
-version = "0.7.0"
+version = "0.7.1"
 
 package_root = os.path.abspath(os.path.dirname(__file__))
 
@@ -47,6 +47,7 @@
     install_requires=(
         "google-api-core[grpc] >= 1.22.2, < 2.0.0dev",
         "proto-plus >= 1.4.0",
+        "packaging >= 14.3",
     ),
     python_requires=">=3.6",
     classifiers=[
diff --git a/testing/constraints-3.6.txt b/testing/constraints-3.6.txt
index a37a34af..05a62e3a 100644
--- a/testing/constraints-3.6.txt
+++ b/testing/constraints-3.6.txt
@@ -7,3 +7,5 @@
 # Then this file should have foo==1.14.0
 google-api-core==1.22.2
 proto-plus==1.4.0
+packaging==14.3
+google-auth==1.24.0  # TODO: remove when google-auth>=1.25.0 is required through google-api-core