diff --git a/test/images/echoserver/VERSION b/test/images/echoserver/VERSION
index 879b416e60..8bbe6cf74a 100644
--- a/test/images/echoserver/VERSION
+++ b/test/images/echoserver/VERSION
@@ -1 +1 @@
-2.1
+2.2
diff --git a/test/images/echoserver/nginx.conf b/test/images/echoserver/nginx.conf
index 6c07c51785..38b0f01013 100644
--- a/test/images/echoserver/nginx.conf
+++ b/test/images/echoserver/nginx.conf
@@ -52,7 +52,14 @@ Request Information:
 
 Request Headers:
 {% for i, key in ipairs(keys) do %}
-	{{key}}={{headers[key]}}
+	{% local val = headers[key] %}
+	{% if type(val) == "table" then %}
+		{% for i = 1,#val do %}
+	{{key}}={{val[i]}}
+		{% end %}
+	{% else %}
+	{{key}}={{val}}  
+	{% end %}
 {% end %}
 
 Request Body: