diff --git a/Makefile.versions b/Makefile.versions
index b5d2eeec7..9c1b7448e 100644
--- a/Makefile.versions
+++ b/Makefile.versions
@@ -12,7 +12,7 @@ export CRIU_VERSION_EXTRA CRIU_VERSION_NAME CRIU_VERSION
 
 #
 # C library for CRIU.
-CRIU_SO_VERSION_MAJOR	:= 1
+CRIU_SO_VERSION_MAJOR	:= 2
 CRIU_SO_VERSION_MINOR	:= 0
 
 export CRIU_SO_VERSION_MAJOR CRIU_SO_VERSION_MINOR