diff --git a/attack_data_service/requirements.txt b/attack_data_service/requirements.txt
index b1528533..f6b9edb1 100644
--- a/attack_data_service/requirements.txt
+++ b/attack_data_service/requirements.txt
@@ -17,7 +17,7 @@ botocore==1.21.18
 certifi==2021.5.30
 cffi==1.15.0
 cfgv==3.3.1
-chardet==4.0.0
+chardet==5.2.0
 configparser==5.1.0
 contextlib2==0.6.0.post1
 cryptography==41.0.1
diff --git a/bin/requirements.txt b/bin/requirements.txt
index 19c737a2..235849b6 100644
--- a/bin/requirements.txt
+++ b/bin/requirements.txt
@@ -1,5 +1,5 @@
 certifi==2021.5.30
-chardet==4.0.0
+chardet==5.2.0
 idna==2.10
 pathlib==1.0.1; python_version < '3.4'
 PyYAML==6.0