diff --git a/requirements/requirements_dep.txt b/requirements/requirements_dep.txt
index ce4baa8b..b4aba61c 100644
--- a/requirements/requirements_dep.txt
+++ b/requirements/requirements_dep.txt
@@ -17,7 +17,7 @@ aiosignal==1.4.0
 antlr4-python3-runtime==4.9.3
 ###################################
 # isoduration -> arrow
-arrow==1.3.0
+arrow==1.4.0
 ###################################
 # aiohttp -> attrs
 # aiohttp-socks -> attrs