AVRO-1833: Update CHANGES.txt for 1.8.1 release.
diff --git a/CHANGES.txt b/CHANGES.txt
index f5284c8..020b523 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -10,6 +10,18 @@
 
   IMPROVEMENTS
 
+  BUG FIXES
+
+Avro 1.8.1 (14 May 2016)
+
+  INCOMPATIBLE CHANGES
+
+  NEW FEATURES
+
+  OPTIMIZATIONS
+
+  IMPROVEMENTS
+
     AVRO-1793. Python2: Retain stack trace and original exception when failing
     to parse schemas. Contributed by Jakob Homan (jghoman).