diff --git a/requirements-dev.txt b/requirements-dev.txt
index 328830454..30044058b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -20,6 +20,6 @@ nbconvert==6.0.7
 
 # mypy types
 types-cachetools==0.1.8
-types-filelock==0.1.3
+types-filelock==0.1.4
 types-requests==0.1.13
 types-tabulate==0.1.1