diff --git a/VERSION b/VERSION
index 73462a5a1..f225a78ad 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.5.1
+2.5.2
diff --git a/markdown.dtx b/markdown.dtx
index 78ac4aaed..b836b44ef 100644
--- a/markdown.dtx
+++ b/markdown.dtx
@@ -156,7 +156,7 @@
 % \fi
 %  \begin{macrocode}
 local metadata = {
-    version   = "2.5.1",
+    version   = "2.5.2",
     comment   = "A module for the conversion from markdown to plain TeX",
     author    = "John MacFarlane, Hans Hagen, Vít Novotný",
     copyright = "2009-2017 John MacFarlane, Hans Hagen; " ..
@@ -719,8 +719,8 @@ defaultOptions.underscores = true
 % \ref{sec:luaoptions}) used during the conversion from markdown to plain
 % \TeX{}, and for changing the way markdown the tokens are rendered.
 %  \begin{macrocode}
-\def\markdownLastModified{2017/04/27}%
-\def\markdownVersion{2.5.1}%
+\def\markdownLastModified{2017/04/28}%
+\def\markdownVersion{2.5.2}%
 %    \end{macrocode}
 %
 % The plain \TeX{} interface is implemented by the \t`markdown.tex` file that