diff --git a/requirement_files/Sphinx.txt b/requirement_files/Sphinx.txt
index f24b099..b502538 100644
--- a/requirement_files/Sphinx.txt
+++ b/requirement_files/Sphinx.txt
@@ -1,5 +1,5 @@
 alabaster==0.7.12
-Babel==2.8.0
+Babel==2.9.1
 certifi==2020.6.20
 chardet==3.0.4
 docutils==0.16
diff --git a/requirements_opinionated.txt b/requirements_opinionated.txt
index 374a3db..9679f91 100644
--- a/requirements_opinionated.txt
+++ b/requirements_opinionated.txt
@@ -6,7 +6,7 @@ asn1crypto==1.4.0
 aspy.yaml==1.3.0
 atomicwrites==1.4.0
 attrs==19.3.0
-Babel==2.8.0
+Babel==2.9.1
 black==19.10b0
 boto==2.49.0
 certifi==2020.6.20