diff --git a/repository/BaselineOfFossil/BaselineOfFossil.class.st b/repository/BaselineOfFossil/BaselineOfFossil.class.st
index 5ef1ba9..5bd7741 100644
--- a/repository/BaselineOfFossil/BaselineOfFossil.class.st
+++ b/repository/BaselineOfFossil/BaselineOfFossil.class.st
@@ -17,11 +17,15 @@ BaselineOfFossil >> baseline: spec [
 			"Dependencies"
 			spec 
 				baseline: 'NeoJSON' with: [ spec repository: 'github://svenvc/NeoJSON/repository' ];
-				baseline: 'OSSubprocess' with: [ spec repository: 'github://pharo-contributions/OSSubprocess:master/repository'].
-			
+				baseline: 'OSSubprocess' with: [ spec repository: 'github://pharo-contributions/OSSubprocess:master/repository'];
+				baseline: 'ProcessWrapper' with: [ spec repository: 'github://hernanmd/ProcessWrapper/repository' ].
 			
 			"Packages"
-			spec package: 'Fossil' with: [ spec requires:  #('NeoJSON' 'OSSubprocess') ].
+			spec package: 'Fossil' with: [ spec requires:  #('NeoJSON') ].
+			spec for: #(#'MacOS' #'Unix') do: [
+					spec package: 'Fossil' with: [ spec requires: #('OSSubprocess') ] ].
+			spec for: #'Windows' do: [
+					spec package: 'Fossil' with: [ spec requires: #('OSSubprocess') ] ].	
 			
 			
 		]