diff --git a/requirements.txt b/requirements.txt
index d483b5f..a741cce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-Babel==2.7.0
+Babel==2.9.1
 certifi==2019.6.16
 chardet==3.0.4
 cycler==0.10.0
diff --git a/requirements_windows.txt b/requirements_windows.txt
index e4d391e..67e0a22 100644
--- a/requirements_windows.txt
+++ b/requirements_windows.txt
@@ -1,5 +1,5 @@
 altgraph==0.16.1
-Babel==2.7.0
+Babel==2.9.1
 certifi==2019.6.16
 chardet==3.0.4
 cycler==0.10.0