diff --git a/CMakeLists.txt b/CMakeLists.txt
index f735d8d..e7646f6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.16)
-project(jsonschema VERSION 0.3.0 LANGUAGES CXX)
+project(jsonschema VERSION 0.4.0 LANGUAGES CXX)
 list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 include(vendor/noa/cmake/noa.cmake)
 include(cmake/CompilerOptions.cmake)
diff --git a/action.yml b/action.yml
index 86be282..f8c00db 100644
--- a/action.yml
+++ b/action.yml
@@ -10,5 +10,5 @@ runs:
           --output "${GITHUB_WORKSPACE}/install.sh" \
           "https://raw.githubusercontent.com/intelligence-ai/jsonschema/main/install"
         chmod +x "${GITHUB_WORKSPACE}/install.sh"
-        "${GITHUB_WORKSPACE}/install.sh" 0.3.0
+        "${GITHUB_WORKSPACE}/install.sh" 0.4.0
         rm "${GITHUB_WORKSPACE}/install.sh"