diff --git a/Makefile b/Makefile
index aa4c1b85..4a13d1e3 100644
--- a/Makefile
+++ b/Makefile
@@ -34,7 +34,7 @@ CCASFLAGS=$(CFLAGS)
 STATIC_LDFLAGS=-lstdc++
 
 VERSION=1.6
-SHAREDLIBVERSION=0
+SHAREDLIBVERSION=3
 
 ifeq (,$(wildcard $(SRC_PATH)gmp-api))
 HAVE_GMP_API=No