diff --git a/jitterentropy.spec b/jitterentropy.spec
index be24d12..36c6e95 100644
--- a/jitterentropy.spec
+++ b/jitterentropy.spec
@@ -56,6 +56,7 @@ This package contains the shared library.
 %package devel
 Summary:	Jitter entropy generator development header and library
 Group:          Development/Tools/Other
+Requires: 	libjitterentropy3 = %{version}
 
 %description devel
 The Jitter RNG provides a noise source using the CPU execution