diff --git a/requirements.txt b/requirements.txt
index e98d3bb..0d1d50e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ alabaster==0.7.12
 astor==0.7.1
 atomicwrites==1.3.0
 attrs==19.1.0
-Babel==2.6.0
+Babel==2.9.1
 backcall==0.1.0
 bleach==3.0.2
 certifi==2019.11.28
diff --git a/requirements_gpu.txt b/requirements_gpu.txt
index 604ac3f..ad3fb0d 100644
--- a/requirements_gpu.txt
+++ b/requirements_gpu.txt
@@ -3,7 +3,7 @@ alabaster==0.7.12
 astor==0.7.1
 atomicwrites==1.3.0
 attrs==19.1.0
-Babel==2.6.0
+Babel==2.9.1
 backcall==0.1.0
 bleach==3.0.2
 certifi==2019.11.28