diff --git a/siwin.nimble b/siwin.nimble
index f318109..a623b27 100644
--- a/siwin.nimble
+++ b/siwin.nimble
@@ -12,8 +12,6 @@ requires "vmath >= 1.1.4"
 #       ask a userprogrammer to install specific platform dependencies if cross compiling.
 when defined(linux) or defined(bsd):
   requires "x11 >= 1.1"
-  requires "https://github.com/planetis-m/vulkan#b223dc9"
-  #requires "https://github.com/DanielBelmes/vulkan"
 
 when defined(windows):
   requires "winim >= 3.6"
@@ -30,7 +28,7 @@ feature "dev":
   requires "nimgl"
   requires "pixie"
   requires "sdl2"
-
+  requires "https://github.com/planetis-m/vulkan#b223dc9"
 
 
 when fileExists("src/siwin/build_utils/tasks.nim"):