diff --git a/requirements_continuous_integration.txt b/requirements_continuous_integration.txt
index 61941bacafbf612403d46d8ffff42c3b950539e5..23b4aec3351fd5effbbf8dbd1b638a20cd0319ec 100644
--- a/requirements_continuous_integration.txt
+++ b/requirements_continuous_integration.txt
@@ -5,7 +5,8 @@ watchdog==0.9.0
 benchmarker==4.0.1
 coverage==4.5.1
 Sphinx==1.8.1
-flake8
+flake8==3.7.7
+flake8-eradicate==0.2.0
 
 
 twine==1.12.1
diff --git a/tox.ini b/tox.ini
index 1c6a3d45b2ba71dc04d0adb04a1a71b961f38dec..8921b685f49382b7666492d9d5fefadab1956dba 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,7 +8,7 @@ python =
 
 [flake8]
 max-line-length = 120
-ignore = E121 E126 E123 E128 E133 E226 E241 E242 E704 W291 W293 W391 W503 W504 W505
+ignore = E121 E126 E123 E128 E133 E226 E241 E242 E704 W291 W293 W391 W503 W504 W505 E800
 
 [testenv:flake8]
 basepython = python