diff --git a/opencv.spec b/opencv.spec
index 3108ee2..d8f901f 100644
--- a/opencv.spec
+++ b/opencv.spec
@@ -21,7 +21,7 @@
 %endif
 
 %define libname lib%{name}
-%define soname 4_2
+%define soname 4_3
 # disabled by default as many fail
 %bcond_with tests
 %bcond_without gapi