diff --git a/requirements-dev.txt b/requirements-dev.txt
index cd02f10..7d3387b 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,5 +1,5 @@
 certifi==2019.3.9
-chardet==3.0.4
+chardet==4.0.0
 entrypoints==0.3
 flake8==3.7.7
 idna==2.8
diff --git a/requirements.txt b/requirements.txt
index eb83bd8..8432826 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 certifi==2019.3.9
-chardet==3.0.4
+chardet==4.0.0
 idna==2.8
 requests==2.21.0
 urllib3==1.25