diff --git a/src/libiso8601/soversion b/src/libiso8601/soversion
index 61b2d83..87467a2 100644
--- a/src/libiso8601/soversion
+++ b/src/libiso8601/soversion
@@ -14,4 +14,4 @@ SOMAJOR=0
 SOMINOR=1
 
 # SOMICRO is bumped every time there is a binary-compatible release.
-SOMICRO=0
+SOMICRO=1