diff --git a/include/ck_md.h.in b/include/ck_md.h.in
index 7817aa4..60c791b 100644
--- a/include/ck_md.h.in
+++ b/include/ck_md.h.in
@@ -51,4 +51,6 @@
 #define @MM@
 #endif /* @MM@ */
 
+#define CK_VERSION "@VERSION@"
+
 #endif /* CK_MD_H */