diff --git a/CMakeLists.txt b/CMakeLists.txt
index b7bbbcdb..a16f3975 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,7 +8,7 @@ option(BUILD_SHARED_LIBS "Build shared instead of static libraries" ON)
 set(CMAKE_BUILD_TYPE Release CACHE STRING "Build type (Release or Debug)")
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
-project(libtensorlight VERSION 2.9.9 LANGUAGES C CXX)
+project(libtensorlight VERSION 3.0.0 LANGUAGES C CXX)
 enable_testing()
 
 ##########################################################################
diff --git a/libtensor/metadata.C b/libtensor/metadata.C
index 819f32ce..3f30ad16 100644
--- a/libtensor/metadata.C
+++ b/libtensor/metadata.C
@@ -8,7 +8,7 @@
 
 namespace libtensor {
 namespace {
-static const std::string static_version_string = "2.9.9";
+static const std::string static_version_string = "3.0.0";
 
 static const std::vector<std::string> version_split = [](const std::string& in) {
   std::vector<std::string> parts;
diff --git a/setup.cfg b/setup.cfg
index 1d7479e5..529c1503 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 2.9.9
+current_version = 3.0.0
 commit = True
 tag = True