diff --git a/CMakeLists.txt b/CMakeLists.txt
index bd3ff86..3f8602d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,8 +13,8 @@ PROJECT(pkgconf C)
 SET(PACKAGE_BUGREPORT http://github.com/pkgconf/pkgconf/issues)
 SET(PACKAGE_NAME pkgconf)
 SET(PACKAGE_VERSION 1.3.7)
-SET(LIBPKGCONF_VERSION "2.0.0")
-SET(LIBPKGCONF_SOVERSION 2)
+SET(LIBPKGCONF_VERSION "3.0.0")
+SET(LIBPKGCONF_SOVERSION 3)
 
 #-------- GNU directory variables ---------
 
diff --git a/Makefile.am b/Makefile.am
index a664b29..7c3a833 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -131,7 +131,7 @@ libpkgconf_la_SOURCES  =	\
 		libpkgconf/dependency.c		\
 		libpkgconf/queue.c		\
 		libpkgconf/path.c
-libpkgconf_la_LDFLAGS = -no-undefined -version-info 2:0:0 -export-symbols-regex '^pkgconf_'
+libpkgconf_la_LDFLAGS = -no-undefined -version-info 3:0:0 -export-symbols-regex '^pkgconf_'
 
 dist_man_MANS    = 		\
 	man/pkgconf.1		\
diff --git a/meson.build b/meson.build
index 3261a38..72eff19 100644
--- a/meson.build
+++ b/meson.build
@@ -71,8 +71,8 @@ libpkgconf = shared_library('pkgconf',
   'libpkgconf/queue.c',
   'libpkgconf/tuple.c',
   install : true,
-  version : '2.0.0',
-  soversion : '2',
+  version : '3.0.0',
+  soversion : '3',
 )