diff --git a/system/devel/guile/pspec.xml b/system/devel/guile/pspec.xml
index 747a13a8..5b8d9357 100644
--- a/system/devel/guile/pspec.xml
+++ b/system/devel/guile/pspec.xml
@@ -20,6 +20,7 @@
             <Dependency>gettext-devel</Dependency>
             <Dependency>gmp-devel</Dependency>
             <Dependency>libunistring-devel</Dependency>
+            <Dependency>libffi-devel</Dependency>
         </BuildDependencies>
         <Patches>
         </Patches>