diff --git a/cairomm.spec b/cairomm.spec
index af4cc1a..b29f548 100644
--- a/cairomm.spec
+++ b/cairomm.spec
@@ -47,6 +47,7 @@ applications that use %{name}.
 %package        doc
 Summary:        Documentation for %{name}
 BuildArch:      noarch
+Requires:       libstdc++-docs
 Requires:       libsigc++20-doc
 
 %description    doc