diff --git a/CHANGES.md b/CHANGES.md
index 291f0457e8..8ab600c597 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,6 +6,8 @@
  * added groupby unit test
  * refactored a bunch of code
  * doubled speed of binary operators
+ * much faster sort added
+ * multi-level groupby added
  * many other changes lost track of them all
 
 ### Changes in arkouda-0.0.8
diff --git a/README.md b/README.md
index 2f0f4f6468..aaccc4d65a 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ optimized HPC libraries on massive datasets, all within the same
 interactive session.
 
 ## Requirements:
- * requires chapel 1.19.0
+ * requires chapel 1.20.0 with the --legacy-classes flag
  * requires llvm version of Chapel parser to support HDF5 I/O
  * requires zeromq version >= 4.2.5, tested with 4.2.5 and 4.3.1
  * requires python 3.6 or greater
diff --git a/src/ServerConfig.chpl b/src/ServerConfig.chpl
index ac2200dac0..605d653d49 100644
--- a/src/ServerConfig.chpl
+++ b/src/ServerConfig.chpl
@@ -14,7 +14,7 @@ module ServerConfig
     /* 
     Arkouda version
     */
-    config param arkoudaVersion = "0.0.9-2019-09-16";
+    config param arkoudaVersion = "0.0.9-2019-09-23";
 
     /*
     Configure MyDmap on compile line by "-s MyDmap=0" or "-s MyDmap=1"