diff --git a/CHANGELOG.md b/CHANGELOG.md
index 681183d8..c1dad1f4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,14 @@
 
 * TODO
 
+### 0.55.1
+
+* Switch to fallback mode when failed to open TCP connection to API
+
+    https://github.com/KnapsackPro/knapsack_pro-ruby/pull/63
+
+https://github.com/KnapsackPro/knapsack_pro-ruby/compare/v0.55.0...v0.55.1
+
 ### 0.55.0
 
 * Fix to record proper time for around(:each) in RSpec
diff --git a/lib/knapsack_pro/client/connection.rb b/lib/knapsack_pro/client/connection.rb
index fb86e8b1..86082361 100644
--- a/lib/knapsack_pro/client/connection.rb
+++ b/lib/knapsack_pro/client/connection.rb
@@ -100,7 +100,7 @@ def post
         end
 
         response
-      rescue Errno::ECONNREFUSED, EOFError, SocketError, Net::OpenTimeout, Net::ReadTimeout => e
+      rescue Errno::ECONNREFUSED, Errno::ETIMEDOUT, EOFError, SocketError, Net::OpenTimeout, Net::ReadTimeout => e
         logger.warn(e.inspect)
         retries += 1
         if retries < 3