diff --git a/CHANGELOG.md b/CHANGELOG.md
index 170508ed..9b3205fc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Change Log
 
+### 1.8.0
+
+* Run Fallback Mode when `OpenSSL::SSL::SSLError` certificate verify failed for API
+
+    https://github.com/KnapsackPro/knapsack_pro-ruby/pull/80
+
+https://github.com/KnapsackPro/knapsack_pro-ruby/compare/v1.7.0...v1.8.0
+
 ### 1.7.0
 
 * Add `KNAPSACK_PRO_LOG_DIR` to set directory where to write logs
diff --git a/lib/knapsack_pro/client/connection.rb b/lib/knapsack_pro/client/connection.rb
index f0cb5db7..775ee259 100644
--- a/lib/knapsack_pro/client/connection.rb
+++ b/lib/knapsack_pro/client/connection.rb
@@ -115,7 +115,7 @@ def post
         end
 
         response_body
-      rescue ServerError, Errno::ECONNREFUSED, Errno::ETIMEDOUT, Errno::EPIPE, EOFError, SocketError, Net::OpenTimeout, Net::ReadTimeout => e
+      rescue ServerError, Errno::ECONNREFUSED, Errno::ETIMEDOUT, Errno::EPIPE, EOFError, SocketError, Net::OpenTimeout, Net::ReadTimeout, OpenSSL::SSL::SSLError => e
         logger.warn(e.inspect)
         retries += 1
         if retries < MAX_RETRY