diff --git a/CMakeLists.txt b/CMakeLists.txt
index 518cfae..a632c86 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.16)
-project(jsonschema VERSION 4.3.0 LANGUAGES CXX)
+project(jsonschema VERSION 4.3.1 LANGUAGES CXX)
 list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 include(vendor/noa/cmake/noa.cmake)
 
diff --git a/README.markdown b/README.markdown
index 8bc8607..8726c02 100644
--- a/README.markdown
+++ b/README.markdown
@@ -91,7 +91,7 @@ brew install sourcemeta/apps/jsonschema
 Where `X.Y.Z` is replaced with the desired version. For example:
 
 ```yaml
-- uses: sourcemeta/jsonschema@v4.3.0
+- uses: sourcemeta/jsonschema@v4.3.1
 # Then use as usual
 - run: jsonschema fmt path/to/schemas --check
 ```
diff --git a/action.yml b/action.yml
index 2dfc951..910e311 100644
--- a/action.yml
+++ b/action.yml
@@ -10,5 +10,5 @@ runs:
           --output "${GITHUB_WORKSPACE}/install.sh" \
           "https://raw.githubusercontent.com/sourcemeta/jsonschema/main/install"
         chmod +x "${GITHUB_WORKSPACE}/install.sh"
-        "${GITHUB_WORKSPACE}/install.sh" 4.3.0
+        "${GITHUB_WORKSPACE}/install.sh" 4.3.1
         rm "${GITHUB_WORKSPACE}/install.sh"