diff --git a/.pdd b/.pdd
index ac67f80..8c96adb 100644
--- a/.pdd
+++ b/.pdd
@@ -2,4 +2,4 @@
 --verbose
 --exclude target/**/*
 --exclude coverage/**/*
---rule min-words:15
+--rule min-words:10
diff --git a/.rultor.yml b/.rultor.yml
index 9563f85..a8f67a7 100755
--- a/.rultor.yml
+++ b/.rultor.yml
@@ -5,7 +5,7 @@ install: |
   export GEM_PATH=$GEM_HOME:$GEM_PATH
   sudo apt-get -y update
   sudo apt-get -y install libcurl4-openssl-dev
-  sudo gem install pdd -v 0.20.5
+  sudo gem install pdd -v 0.30.21
 release:
   script: |-
     export RUBYOPT="-W0"