diff --git a/config/conda.yml b/config/conda.yml
index d41bbf0..28162f7 100644
--- a/config/conda.yml
+++ b/config/conda.yml
@@ -5,8 +5,8 @@ dependencies:
 - setuptools=20.3=py35_0
 - wheel=0.29.0=py35_0
 - pip:
-  - psycopg2 >=2.6.1
-  - colorama >=0.3,<0.4
-  - psutil >=5.0,<5.1
-  - requests >=2.12,<2.13
-  - stevedore >=1.19,<1.20
+  - colorama ==0.3.9
+  - fs ==2.0.3
+  - psutil ==5.2.2
+  - requests ==2.13.0
+  - stevedore ==1.21.0