diff --git a/src/server/Ethereum-Private-Network/ruby_client/Gemfile.lock b/src/server/Ethereum-Private-Network/ruby_client/Gemfile.lock
index 4d74287..e2ef95f 100644
--- a/src/server/Ethereum-Private-Network/ruby_client/Gemfile.lock
+++ b/src/server/Ethereum-Private-Network/ruby_client/Gemfile.lock
@@ -1,8 +1,8 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     cookiejar (0.3.3)
     em-http-request (1.1.5)
       addressable (>= 2.3.4)
@@ -19,7 +19,7 @@ GEM
       addressable
       em-http-request
       json
-    public_suffix (3.0.0)
+    public_suffix (5.0.0)
 
 PLATFORMS
   ruby