diff --git a/CHANGES.md b/CHANGES.md
index 928988b..d67d1c1 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -13,6 +13,7 @@
 * Update IMDb-pie 5.6.3 (4220e83) to 5.6.4 (f695e87)
 * Update MsgPack 0.6.0 (197e307) to 0.6.1 (737f08a)
 * Update profilehooks module 1.10.1 (fdbf19d) to 1.11.0 (e17f378)
+* Update Requests library 2.21.0 (e52932c) to 2.22.0 (aeda65b)
 * Update scandir 1.9.0 (9ab3d1f) to 1.10.0 (982e6ba)
 * Update Six compatibility library 1.12.0 (d927b9e) to 1.12.0 (8da94b8)
 * Update Tornado Web Server 5.1.1 (cc2cf07) to 5.1.1 (a99f1471)
diff --git a/lib/requests/__init__.py b/lib/requests/__init__.py
index 6f8b21a..f61d2d3 100644
--- a/lib/requests/__init__.py
+++ b/lib/requests/__init__.py
@@ -57,10 +57,10 @@ def check_compatibility(urllib3_version, chardet_version):
     # Check urllib3 for compatibility.
     major, minor, patch = urllib3_version  # noqa: F811
     major, minor, patch = int(major), int(minor), int(patch)
-    # urllib3 >= 1.21.1, <= 1.24
+    # urllib3 >= 1.21.1, <= 1.25
     assert major == 1
     assert minor >= 21
-    assert minor <= 24
+    assert minor <= 25
 
     # Check chardet for compatibility.
     major, minor, patch = chardet_version.split('.')[:3]
diff --git a/lib/requests/__version__.py b/lib/requests/__version__.py
index f5b5d03..9844f74 100644
--- a/lib/requests/__version__.py
+++ b/lib/requests/__version__.py
@@ -5,10 +5,10 @@
 __title__ = 'requests'
 __description__ = 'Python HTTP for Humans.'
 __url__ = 'http://python-requests.org'
-__version__ = '2.21.0'
-__build__ = 0x022100
+__version__ = '2.22.0'
+__build__ = 0x022200
 __author__ = 'Kenneth Reitz'
 __author_email__ = 'me@kennethreitz.org'
 __license__ = 'Apache 2.0'
-__copyright__ = 'Copyright 2018 Kenneth Reitz'
+__copyright__ = 'Copyright 2019 Kenneth Reitz'
 __cake__ = u'\u2728 \U0001f370 \u2728'