diff --git a/x11/vulkan/vulkan-lunarg-tools/pspec.xml b/x11/vulkan/vulkan-lunarg-tools/pspec.xml
index e29f8370b0..772e8e546f 100755
--- a/x11/vulkan/vulkan-lunarg-tools/pspec.xml
+++ b/x11/vulkan/vulkan-lunarg-tools/pspec.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" ?>
-<!DOCTYPE PISI SYSTEM "http://www.pisilinux.org/projeler/pisi/pisi-spec.dtd">
+<!DOCTYPE PISI SYSTEM "https://www.pisilinux.org/projeler/pisi/pisi-spec.dtd">
 <PISI>
     <Source>
         <Name>vulkan-lunarg-tools</Name>
@@ -16,6 +16,7 @@
         <BuildDependencies>
             <Dependency>git</Dependency>
             <Dependency>cmake</Dependency>
+            <Dependency>valijson</Dependency>
             <Dependency>libX11-devel</Dependency>
             <Dependency>libxcb-devel</Dependency>
             <Dependency>libXrandr-devel</Dependency>