diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 332bf046..50883a1b 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -279,8 +279,8 @@ add_library(libavrdude
 set_target_properties(libavrdude PROPERTIES
     PREFIX ""
     PUBLIC_HEADER "libavrdude.h"
-    VERSION 1.0.1
-    SOVERSION 1
+    VERSION 2.0.0
+    SOVERSION 2
     )
 
 target_include_directories(libavrdude
diff --git a/src/Makefile.am b/src/Makefile.am
index 8863291a..5ee95960 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -219,7 +219,7 @@ libavrdude_a_SOURCES = \
 	xbee.h \
 	xbee.c
 libavrdude_la_SOURCES = $(libavrdude_a_SOURCES)
-libavrdude_la_LDFLAGS = -version-info 1:0
+libavrdude_la_LDFLAGS = -version-info 2:0
 
 include_HEADERS = libavrdude.h