diff --git a/src/Exception/ConnectionException.php b/src/Exception/ConnectionException.php
index <HASH>..<HASH> 100644
--- a/src/Exception/ConnectionException.php
+++ b/src/Exception/ConnectionException.php
@@ -2,4 +2,4 @@
 
 namespace PHPFastCGI\FastCGIDaemon\Exception;
 
-class ConnectionException extends \Exception { }
+class ConnectionException extends \RuntimeException { }
diff --git a/src/Exception/ProtocolException.php b/src/Exception/ProtocolException.php
index <HASH>..<HASH> 100644
--- a/src/Exception/ProtocolException.php
+++ b/src/Exception/ProtocolException.php
@@ -2,4 +2,4 @@
 
 namespace PHPFastCGI\FastCGIDaemon\Exception;
 
-class ProtocolException extends \Exception { }
+class ProtocolException extends \RuntimeException { }
Extended RuntimeException rather than Exception