diff --git a/requirements_dev.txt b/requirements_dev.txt
index 1d175d6a316575d8a7e073ea344e37f0bb0ee368..f2a04ef8ad11da21fe9840021c19b2cd65af340c 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -1,6 +1,7 @@
 coveralls
 mypy
-pylint
+# Fix unused import false positive since 2.4.0 : https://github.com/PyCQA/pylint/issues/3191
+pylint == 2.3.1
 black
 sphinx
 sphinx_rtd_theme