diff --git a/src/libs/png/Jamfile b/src/libs/png/Jamfile
index 94e0a3a8fa..2fbd5fcd36 100644
--- a/src/libs/png/Jamfile
+++ b/src/libs/png/Jamfile
@@ -25,6 +25,6 @@ local shared_files =
 
 Objects $(shared_files) ;
 
-SharedLibrary libpng.so : [ FGristFiles $(shared_files:S=.o) ] : z : 1.2 ;
+SharedLibrary libpng.so : [ FGristFiles $(shared_files:S=.o) ] : z : 1.4 ;
 
 StaticLibrary libpng.a : [ FGristFiles $(shared_files:S=.o) ] ;