diff --git a/etc/docker/install-yamltidy.sh b/etc/docker/install-yamltidy.sh
index cfee9f3..9a1f177 100755
--- a/etc/docker/install-yamltidy.sh
+++ b/etc/docker/install-yamltidy.sh
@@ -3,4 +3,4 @@
 set -ex
 
 HOME=/tmp/home
-cpanm -l /tmp/yamltidy --notest YAML::Tidy@v0.8.0
+cpanm -l /tmp/yamltidy --notest YAML::Tidy@v0.9.0