diff --git a/requirements.txt b/requirements.txt
index c007be1..d36ccb2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-colorama==0.3.7
+colorama>=0.3.7,<=0.3.9
 docopt==0.6.2
 feedparser==5.2.1
-requests==2.11.1
+requests>=2.11.1,<=2.18.1
 tqdm==4.14.0
\ No newline at end of file
diff --git a/setup.py b/setup.py
index db9332e..6dd4b32 100644
--- a/setup.py
+++ b/setup.py
@@ -18,10 +18,10 @@ setup(name='podfox',
         ]
     },
     install_requires=[
-        'colorama==0.3.7',
+        'colorama>=0.3.7,<=0.3.9',
         'docopt==0.6.2',
         'feedparser==5.2.1',
-        'requests==2.11.1',
+        'requests>=2.11.1,<=2.18.1',
         'tqdm==4.14.0',
         ],
     )