diff --git a/x11/library/mesa/pspec.xml b/x11/library/mesa/pspec.xml
index 896d39f1d1..adcfcc4498 100644
--- a/x11/library/mesa/pspec.xml
+++ b/x11/library/mesa/pspec.xml
@@ -58,6 +58,7 @@
             <Dependency>libglvnd-devel</Dependency>
             <Dependency>libclc-devel</Dependency>
             <Dependency>vulkan-devel</Dependency>
+            <Dependency>libcxx-devel</Dependency>
             <Dependency>lm_sensors-devel</Dependency>
         </BuildDependencies>
         <AdditionalFiles>