diff --git a/src/nn.h b/src/nn.h
index 3fc3126..ea388de 100644
--- a/src/nn.h
+++ b/src/nn.h
@@ -70,7 +70,7 @@
 #define NN_VERSION_CURRENT 1
 
 /*  The latest revision of the current interface. */
-#define NN_VERSION_REVISION 2
+#define NN_VERSION_REVISION 0
 
 /*  How many past interface versions are still supported. */
 #define NN_VERSION_AGE 1