diff --git a/appDefinition.json b/appDefinition.json
index dfdee19..7df99f2 100644
--- a/appDefinition.json
+++ b/appDefinition.json
@@ -1,5 +1,5 @@
 {
-  "scriptLanguage" : "PYTHON_3",
+  "scriptLanguage" : "PYTHON",
   "executableScriptName" : "sample_app.py",
   "inputFiles" : [ {
     "dataType" : "text_data",