diff --git a/Changes b/Changes
index 357d347..73576a0 100644
--- a/Changes
+++ b/Changes
@@ -1,8 +1,9 @@
-Version 2.2.1 (To come)
+Version 2.2 (patchlevel 1)
 
+o Fix for inability to read null objects in streams
+o Workaround for Adobe "Error 21" on re-saving encrypted files
 o More efficient bookmark operations on files with many pages
 o New operation -hard-box to clip contents to a given box
-o Workaround for Adobe "Error 21" on re-saving encrypted files
 
 Version 2.2 (March 2017)
 
diff --git a/cpdfcommand.ml b/cpdfcommand.ml
index 42b6a90..7697a6f 100644
--- a/cpdfcommand.ml
+++ b/cpdfcommand.ml
@@ -3,7 +3,7 @@ let demo = false
 let noncomp = false
 let major_version = 2
 let minor_version = 2
-let version_date = "(patchlevel 1, build of 6th July 2017)"
+let version_date = "(patchlevel 1, build of 1st September 2017)"
 
 open Pdfutil
 open Pdfio