diff --git a/src/version.h b/src/version.h
index 2bc3ee8..4022334 100644
--- a/src/version.h
+++ b/src/version.h
@@ -1,6 +1,6 @@
 #define BAM_VERSION_MAJOR "0"
 #define BAM_VERSION_MINOR "4"
-#define BAM_VERSION_PATCH "x"
+#define BAM_VERSION_PATCH "0"
 #define BAM_VERSION_STRING BAM_VERSION_MAJOR "." BAM_VERSION_MINOR
 #define BAM_VERSION_STRING_COMPLETE BAM_VERSION_MAJOR "." BAM_VERSION_MINOR "." BAM_VERSION_PATCH