diff --git a/CHANGELOG.md b/CHANGELOG.md
index cd5e2abbd45..c6317595eca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## [4.0.1] - 2023-09-05
+* Fix MEI version in output
+
 ## [4.0.0] - 2023-09-05
 * Update schemas to MEI 5.0 and corresponding adjustments
 * Support for `space` within `beam`
diff --git a/Verovio.podspec b/Verovio.podspec
index 6d3ee2ebb58..f687559bbbc 100644
--- a/Verovio.podspec
+++ b/Verovio.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name           = 'Verovio'
-  s.version        = '4.00.0'
+  s.version        = '4.0.1'
   s.license        = { :type => 'LGPL' }
   s.homepage       = 'https://www.verovio.org/index.xhtml'
   s.authors        = { 'Contributors List' => 'https://github.com/rism-digital/verovio/graphs/contributors' }
diff --git a/bindings/java/pom.xml b/bindings/java/pom.xml
index 5de5086c7ff..a03e1a0236a 100644
--- a/bindings/java/pom.xml
+++ b/bindings/java/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>org.rism.verovio</groupId>
   <artifactId>VerovioToolkit</artifactId>
-  <version>4.0.0</version>
+  <version>4.0.1</version>
   <packaging>jar</packaging>
 
   <name>VerovioToolkit</name>
diff --git a/codemeta.json b/codemeta.json
index 34b1e48a4c8..11c9f77c5b8 100644
--- a/codemeta.json
+++ b/codemeta.json
@@ -4,7 +4,7 @@
   "identifier": "Verovio",
   "name": "Verovio",
   "description": "Verovio is a fast, portable and lightweight open-source library for engraving Music Encoding Initiative (MEI) music scores into SVG.",
-  "softwareVersion": "4.0.0",
+  "softwareVersion": "4.0.1",
   "datePublished": "2023-09-05",
   "license": "https://www.gnu.org/licenses/lgpl-3.0",
   "programmingLanguage": [{
diff --git a/emscripten/npm/package.json b/emscripten/npm/package.json
index 3f23612de10..f70a6ae2e26 100644
--- a/emscripten/npm/package.json
+++ b/emscripten/npm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "verovio",
-  "version": "4.0.0",
+  "version": "4.0.1",
   "description": "This is the stable version of the verovio package",
   "main": "dist/verovio-toolkit-wasm.js",
   "exports": {
diff --git a/include/vrv/vrvdef.h b/include/vrv/vrvdef.h
index 8a2cc70458e..a307ac8fa33 100644
--- a/include/vrv/vrvdef.h
+++ b/include/vrv/vrvdef.h
@@ -40,7 +40,7 @@ namespace vrv {
 
 #define VERSION_MAJOR 4
 #define VERSION_MINOR 0
-#define VERSION_REVISION 0
+#define VERSION_REVISION 1
 // Adds "-dev" in the version number - should be set to false for releases
 #define VERSION_DEV false
 
diff --git a/src/iomei.cpp b/src/iomei.cpp
index 770d29f4ee0..9f3e2b6c52f 100644
--- a/src/iomei.cpp
+++ b/src/iomei.cpp
@@ -246,7 +246,7 @@ bool MEIOutput::Export()
         m_mei = meiDoc.append_child("mei");
         m_mei.append_attribute("xmlns") = "http://www.music-encoding.org/ns/mei";
         AttConverter converter;
-        meiVersion_MEIVERSION meiVersion = meiVersion_MEIVERSION(meiVersion_MEIVERSION_MAX - 1);
+        meiVersion_MEIVERSION meiVersion = meiVersion_MEIVERSION_5_0;
         if (this->GetBasic()) meiVersion = meiVersion_MEIVERSION_5_0plusbasic;
         m_mei.append_attribute("meiversion") = (converter.MeiVersionMeiversionToStr(meiVersion)).c_str();