diff --git a/ChangeLog b/ChangeLog
index d07c4586d5..d13d74f545 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,24 @@
+2009-10-16: Version 1.3.16
+        
+        X64: Convert smis to holding 32 bits of payload.
+
+        Introduce v8::Integer::NewFromUnsigned method.
+
+        Add missing null check in Context::GetCurrent.
+
+        Add trim, trimLeft and trimRight methods to String
+        Patch by Jan de Mooij <jandemooij@gmail.com>
+
+        Implement ES5 Array.isArray
+        Patch by Jan de Mooij <jandemooij@gmail.com>
+
+        Skip access checks for hidden properties.
+
+        Add String::Concat(Handle<String> left, Handle<String> right) to the V8 API.
+
+        Fix GYP-based builds of V8.
+
+
 2009-10-07: Version 1.3.15
 
         Expand the maximum size of the code space to 512MB for 64-bit mode.
diff --git a/src/version.cc b/src/version.cc
index 5d6df1f23f..54e688b02f 100644
--- a/src/version.cc
+++ b/src/version.cc
@@ -34,7 +34,7 @@
 // cannot be changed without changing the SCons build script.
 #define MAJOR_VERSION     1
 #define MINOR_VERSION     3
-#define BUILD_NUMBER      16
+#define BUILD_NUMBER      17
 #define PATCH_LEVEL       0
 #define CANDIDATE_VERSION true