diff --git a/grace-bootstrap/src/test/groovy/grails/util/GrailsUtilTests.java b/grace-bootstrap/src/test/groovy/grails/util/GrailsUtilTests.java
index 2203c24677..f9bb6a3875 100644
--- a/grace-bootstrap/src/test/groovy/grails/util/GrailsUtilTests.java
+++ b/grace-bootstrap/src/test/groovy/grails/util/GrailsUtilTests.java
@@ -1,4 +1,4 @@
-/* Copyright 2004-2023 the original author or authors.
+/* Copyright 2004-2025 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,7 +29,7 @@ public class GrailsUtilTests {
 
     @Test
     public void testGrailsVersion() {
-        assertEquals("2023.3.0-SNAPSHOT", GrailsUtil.getGrailsVersion());
+        assertEquals("2023.3.0-M1", GrailsUtil.getGrailsVersion());
     }
 
     @AfterEach
diff --git a/gradle.properties b/gradle.properties
index 952f23b86e..f7e2c926b5 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-projectVersion=2023.3.0-SNAPSHOT
+projectVersion=2023.3.0-M1
 gradleNexusPublishPluginVersion=2.0.0
 gradleSdkVendorVersion=3.0.0
 gradleTestRetryPlugin=1.6.0