diff --git a/x11/library/libXv/pspec.xml b/x11/library/libXv/pspec.xml
index b762ab2c36..f324fca3bf 100644
--- a/x11/library/libXv/pspec.xml
+++ b/x11/library/libXv/pspec.xml
@@ -38,6 +38,7 @@
         <RuntimeDependencies>
             <Dependency release="current">libXv</Dependency>
             <Dependency>libXext-devel</Dependency>
+            <Dependency>libX11-devel</Dependency>
         </RuntimeDependencies>
         <Files>
             <Path fileType="header">/usr/include/X11</Path>