diff --git a/CHANGES.md b/CHANGES.md
index 066265d..f68c14f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,8 @@
+v2.5.1
+
+* assume all datetimes are UTC time and add `Z` designator to indicate
+* fix parsing issue with datetimes in arrays
+
 v2.5.0
 
 * `consult/2` function for reading a file directly to a json term
diff --git a/README.md b/README.md
index fa52a75..e096d6f 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# jsx (v2.5.0) #
+# jsx (v2.5.1) #
 
 an erlang application for consuming, producing and manipulating [json][json]. 
 inspired by [yajl][yajl]
diff --git a/src/jsx.app.src b/src/jsx.app.src
index 752fab2..2910003 100644
--- a/src/jsx.app.src
+++ b/src/jsx.app.src
@@ -1,7 +1,7 @@
 {application, jsx,
 [
     {description, "a streaming, evented json parsing toolkit"},
-    {vsn, "2.5.0"},
+    {vsn, "2.5.1"},
     {modules, [
         jsx,
         jsx_encoder,