diff --git a/g-cloud/requirements.txt b/g-cloud/requirements.txt
index 54cb0b2..2284f24 100644
--- a/g-cloud/requirements.txt
+++ b/g-cloud/requirements.txt
@@ -15,7 +15,7 @@ atomicwrites==1.3.0
 attrs==19.3.0
 autopep8==1.4.4
 avro-python3==1.9.2.1
-Babel==2.8.0
+Babel==2.9.1
 backcall==0.1.0
 backports.functools-lru-cache==1.6.1
 backports.shutil-get-terminal-size==1.0.0