diff --git a/NEWS.md b/NEWS.md
index 38d35e8..d621f8d 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,3 +1,10 @@
+## 0.5.1 (2019-03-03)
+
+* mdeliver: preserve mtime in mrefile
+* mdirs: add -0 to separate folders by NUL characters
+* Fixes for buffer-overflows, found by fuzzing.
+* Fixes for memleaks.
+
 ## 0.5 (2019-02-09)
 
 * New tool msearch to wrap several mail indexers.
diff --git a/VERSION b/VERSION
index bd73f47..4b9fcbe 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.4
+0.5.1