diff --git a/src/lib/ruby_hlr_client/client.rb b/src/lib/ruby_hlr_client/client.rb
index ce87de7..3ee526f 100644
--- a/src/lib/ruby_hlr_client/client.rb
+++ b/src/lib/ruby_hlr_client/client.rb
@@ -16,7 +16,7 @@ class Client
     # @param secret; as given by https://www.hlr-lookups.com/en/api-settings
     # @param log_file; optional log file path
     # @constructor
-    def initialize(key, secret, log_file = NIL)
+    def initialize(key, secret, log_file = nil)
 
       # @string The API Key as given by https://www.hlr-lookups.com/en/api-settings
       @key = key
@@ -36,8 +36,8 @@ def initialize(key, secret, log_file = NIL)
       # @string HLR Lookup connect url
       @connect_url = HlrLookupsSDK::CONNECT_URL
 
-      # @string|NIL Specifies the log file to which to write, if any.
-      @log_file = log_file ? log_file : NIL
+      # @string|nil Specifies the log file to which to write, if any.
+      @log_file = log_file ? log_file : nil
 
     end
 
diff --git a/src/lib/ruby_hlr_client/config.rb b/src/lib/ruby_hlr_client/config.rb
index 88f7a8e..8ed66d3 100644
--- a/src/lib/ruby_hlr_client/config.rb
+++ b/src/lib/ruby_hlr_client/config.rb
@@ -1,6 +1,6 @@
 module HlrLookupsSDK
 
-  CLIENT_VERSION = '2.0.1'
+  CLIENT_VERSION = '2.0.2'
 
   CLIENT_NAME = 'ruby_hlr_client'