diff --git a/programming/language/rust/pspec.xml b/programming/language/rust/pspec.xml
index 57f857ca70..50e5f10f52 100755
--- a/programming/language/rust/pspec.xml
+++ b/programming/language/rust/pspec.xml
@@ -18,6 +18,7 @@
         </AdditionalFiles>
         <BuildDependencies>
             <Dependency>perl</Dependency>
+            <Dependency>llvm</Dependency>
             <Dependency>cmake</Dependency>
             <Dependency>ninja</Dependency>
             <Dependency>ocaml</Dependency>