diff --git a/src/libutf8/soversion b/src/libutf8/soversion
index b2e6d0a..e1d9f1f 100644
--- a/src/libutf8/soversion
+++ b/src/libutf8/soversion
@@ -9,7 +9,7 @@
 
 # SOMAJOR is included in the library's soname, and needs to be bumped
 # after a binary-incompatible release. It is a single integer.
-SOMAJOR=0
+SOMAJOR=1
 
 # SOMICRO is bumped every time there is a binary-compatible release.
 SOMICRO=0