diff --git a/configure.ac b/configure.ac
index 7519e2e2..129e831c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,7 +16,7 @@ dnl
 OB_MAJOR_VERSION=3
 OB_MINOR_VERSION=4
 OB_MICRO_VERSION=13
-OB_INTERFACE_AGE=1
+OB_INTERFACE_AGE=0
 OB_BINARY_AGE=1
 OB_VERSION=$OB_MAJOR_VERSION.$OB_MINOR_VERSION