diff --git a/requirements.txt b/requirements.txt
index a1cc1af0..a1c3aa55 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-requests==2.2.1
+requests==2.5.3
 six>=1.3.0
 websocket-client==0.11.0
diff --git a/requirements3.txt b/requirements3.txt
index 68533d1f..9666476d 100644
--- a/requirements3.txt
+++ b/requirements3.txt
@@ -1,2 +1,2 @@
-requests==2.2.1
+requests==2.5.3
 six>=1.3.0
diff --git a/setup.py b/setup.py
index a0a1eba4..cdf2ec4b 100644
--- a/setup.py
+++ b/setup.py
@@ -7,7 +7,7 @@ ROOT_DIR = os.path.dirname(__file__)
 SOURCE_DIR = os.path.join(ROOT_DIR)
 
 requirements = [
-    'requests >= 2.2.1, < 2.5.0',
+    'requests >= 2.5.2',
     'six >= 1.3.0',
 ]