diff --git a/dotnet.inc.php b/dotnet.inc.php
index 3139ac2..6c05699 100644
--- a/dotnet.inc.php
+++ b/dotnet.inc.php
@@ -1,5 +1,6 @@
 <?php
 namespace taskman;
+use Exception;
 
 task('dotnet_set_env', ['always' => true], function() { 
   dotnet_set_env();
diff --git a/support.inc.php b/support.inc.php
index 8247f96..722dd81 100644
--- a/support.inc.php
+++ b/support.inc.php
@@ -1,5 +1,6 @@
 <?php
 namespace taskman;
+use Exception;
 
 //NOTE: this class must not have any dependencies on any packages
 class DotnetSupport