diff --git a/requirements.txt b/requirements.txt
index 44d416a8..16928a8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ appnope==0.1.0
 asn1crypto==0.24.0
 attrs==19.3.0
 awscli==1.19.41
-Babel==2.8.0
+Babel==2.9.1
 backcall==0.1.0
 boto3==1.17.41
 certifi==2020.4.5.1
diff --git a/requirements_experiments.txt b/requirements_experiments.txt
index 1158b2ae..f2e8ae25 100644
--- a/requirements_experiments.txt
+++ b/requirements_experiments.txt
@@ -3,7 +3,7 @@ appnope==0.1.0
 asn1crypto==0.24.0
 attrs==19.3.0
 awscli==1.16.256
-Babel==2.8.0
+Babel==2.9.1
 backcall==0.1.0
 boto3==1.9.199
 botocore==1.12.246