diff --git a/packages/google-auth/setup.py b/packages/google-auth/setup.py
index 6b62efbb0b59..87e7c2502196 100644
--- a/packages/google-auth/setup.py
+++ b/packages/google-auth/setup.py
@@ -27,7 +27,7 @@
     *cryptography_base_require,
 )
 
-requests_extra_require = ["requests >= 2.20.0, < 3.0.0"]
+requests_extra_require = ["requests >= 2.30.0, < 3.0.0"]
 
 aiohttp_extra_require = ["aiohttp >= 3.8.0, < 4.0.0", *requests_extra_require]
 
@@ -37,8 +37,10 @@
 
 enterprise_cert_extra_require = cryptography_base_require
 
-# TODO(https://github.com/googleapis/google-auth-library-python/issues/1739): Add bounds for urllib3 and packaging dependencies.
-urllib3_extra_require = ["urllib3", "packaging"]
+urllib3_extra_require = [
+    "urllib3 >= 1.26.15, < 3.0.0",
+    "packaging >= 20.0",
+]
 
 rsa_extra_require = ["rsa>=3.1.4,<5"]
 
diff --git a/packages/google-auth/testing/constraints-3.10.txt b/packages/google-auth/testing/constraints-3.10.txt
index a01df7144a17..8cff9687ae59 100644
--- a/packages/google-auth/testing/constraints-3.10.txt
+++ b/packages/google-auth/testing/constraints-3.10.txt
@@ -9,6 +9,8 @@ pyasn1-modules==0.2.1
 setuptools==40.3.0
 cryptography==38.0.3
 aiohttp==3.8.0
-requests==2.20.0
+requests==2.30.0
 pyjwt==2.0
-grpcio==1.59.0
\ No newline at end of file
+grpcio==1.59.0
+urllib3==1.26.15
+packaging==20.0