diff --git a/requirements-dev.txt b/requirements-dev.txt
index 08abf99c3..230d7e2a7 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -5,7 +5,7 @@ cfgv==3.2.0
 charset-normalizer==2.0.7
 coverage==4.5.4
 distlib==0.3.7
-filelock==3.12.2
+filelock==3.13.1
 flake8==3.5.0
 gibberish-detector==0.1.1
 identify==2.3.0