diff --git a/requirements/dev.txt b/requirements/dev.txt
index 538013e..637370d 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -2,7 +2,8 @@
 
 check-manifest>=0.34
 coverage>=4.3.4
-flake8>=3.0.4
+coveralls>=1.1
+flake8>=3.2.1
 flaky>=3.3.0
 pypandoc>=1.3.3
 pytest>=3.0.5