diff --git a/bin/akamai-etp b/bin/akamai-etp
index 8c68c32..1116604 100755
--- a/bin/akamai-etp
+++ b/bin/akamai-etp
@@ -37,7 +37,7 @@ from requests.compat import urljoin
 from akamai.edgegrid import EdgeGridAuth, EdgeRc
 from config import EdgeGridConfig
 
-__version__ = "0.3.9"
+__version__ = "0.4.0"
 
 #: Window span in ad-hoc mode, default is 3 min
 span_duration_min = 3
@@ -45,7 +45,7 @@ span_duration_min = 3
 session = None
 verbose = False
 section_name = "default"
-headers = {'content-type': "application/json;charset=UTF-8"}
+headers = {'accept': "application/json"}
 extra_qs = None
 
 LOG = logging.getLogger(__name__)
diff --git a/cli.json b/cli.json
index 42559ce..3f3a886 100755
--- a/cli.json
+++ b/cli.json
@@ -5,7 +5,7 @@
   "commands": [
     {
       "name": "etp",
-      "version": "0.3.9",
+      "version": "0.4.0",
       "description": "Akamai CLI for Secure Internet Access Enterprise (f.k.a. Enterprise Threat Protector)"
     }
   ]