diff --git a/authn-service/requirements.txt b/authn-service/requirements.txt
index 96f4ca2..1004b7e 100644
--- a/authn-service/requirements.txt
+++ b/authn-service/requirements.txt
@@ -1,6 +1,6 @@
 asn1crypto==0.24.0
 certifi==2020.6.20
-chardet==3.0.4
+chardet==5.2.0
 click==7.1.2
 cryptography==2.6.1
 entrypoints==0.3