diff --git a/spk/octoprint/src/requirements.txt b/spk/octoprint/src/requirements.txt
index c71d3230..4e7a42c6 100644
--- a/spk/octoprint/src/requirements.txt
+++ b/spk/octoprint/src/requirements.txt
@@ -1,6 +1,6 @@
 argh==0.26.1
 awesome-slugify==1.6.5
-Babel==2.0
+Babel==2.9.1
 backports.ssl-match-hostname==3.4.0.2
 blinker==1.4
 certifi==2015.9.6.2