diff --git a/ptbposter/ptbposter.cls b/ptbposter/ptbposter.cls
index 06c0a823dd3f7e25943681e4c4866e20ebf00456..f43e6649824bb7aa884e924ac7d352f6d2e934d9 100644
--- a/ptbposter/ptbposter.cls
+++ b/ptbposter/ptbposter.cls
@@ -3,7 +3,7 @@
 \setcounter{errorcontextlines}{100}  \listfiles
 
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
-\ProvidesClass{ptbposter}[2019/06/26 v0.9d PTB-Poster (RN)]
+\ProvidesClass{ptbposter}[2019/06/27 v0.9e PTB-Poster (RN)]
     
 \newif\ifPTB@useCMYK \PTB@useCMYKfalse % vorerst 
 \newif\ifPTB@german@  \PTB@german@true
@@ -117,7 +117,7 @@
   }%
 }{}
 
-\RequirePackage{amsmath}
+\RequirePackage{amsmath,ragged2e}
 
 \ifPTB@XeOrLua
   \input{ptbposter-new-engines.clo}