diff --git a/qclib.spec b/qclib.spec
index d0677ba..dd9ed23 100644
--- a/qclib.spec
+++ b/qclib.spec
@@ -87,6 +87,7 @@ Systems.
 %package devel-static
 Summary:        Development files for Query Capacity library
 Requires:       libqc1 = %{version}-%{release}
+Requires:       qclib-devel = %{version}-%{release}
 Group:          Development/Libraries/C and C++
 
 %description devel-static