diff --git a/modules/swagger-annotations/pom.xml b/modules/swagger-annotations/pom.xml
index 592e938a5a..eece698af6 100644
--- a/modules/swagger-annotations/pom.xml
+++ b/modules/swagger-annotations/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-core/pom.xml b/modules/swagger-core/pom.xml
index 15b7f70a62..62db3cfe7b 100644
--- a/modules/swagger-core/pom.xml
+++ b/modules/swagger-core/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-eclipse-transformer-maven-plugin/pom.xml b/modules/swagger-eclipse-transformer-maven-plugin/pom.xml
index 52299673c5..8fc5d3bd3a 100644
--- a/modules/swagger-eclipse-transformer-maven-plugin/pom.xml
+++ b/modules/swagger-eclipse-transformer-maven-plugin/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-gradle-plugin/gradle.properties b/modules/swagger-gradle-plugin/gradle.properties
index a5137af194..cf6a3b28f9 100644
--- a/modules/swagger-gradle-plugin/gradle.properties
+++ b/modules/swagger-gradle-plugin/gradle.properties
@@ -1,2 +1,2 @@
-version=2.2.20
+version=2.2.21-SNAPSHOT
 jettyVersion=9.4.53.v20231009
diff --git a/modules/swagger-gradle-plugin/src/main/java/io/swagger/v3/plugins/gradle/SwaggerPlugin.java b/modules/swagger-gradle-plugin/src/main/java/io/swagger/v3/plugins/gradle/SwaggerPlugin.java
index 1aee43590c..68bed8e4bb 100644
--- a/modules/swagger-gradle-plugin/src/main/java/io/swagger/v3/plugins/gradle/SwaggerPlugin.java
+++ b/modules/swagger-gradle-plugin/src/main/java/io/swagger/v3/plugins/gradle/SwaggerPlugin.java
@@ -16,7 +16,7 @@ public void apply(Project project) {
         config.defaultDependencies(new Action<DependencySet>() {
             public void execute(DependencySet dependencies) {
                 dependencies.add(project.getDependencies().create("org.apache.commons:commons-lang3:3.12.0"));
-                dependencies.add(project.getDependencies().create("io.swagger.core.v3:swagger-jaxrs2:2.2.20"));
+                dependencies.add(project.getDependencies().create("io.swagger.core.v3:swagger-jaxrs2:2.2.21-SNAPSHOT"));
                 dependencies.add(project.getDependencies().create("javax.ws.rs:javax.ws.rs-api:2.1"));
                 dependencies.add(project.getDependencies().create("javax.servlet:javax.servlet-api:3.1.0"));
             }
diff --git a/modules/swagger-gradle-plugin/src/test/java/io/swagger/v3/plugins/gradle/SwaggerResolveTest.java b/modules/swagger-gradle-plugin/src/test/java/io/swagger/v3/plugins/gradle/SwaggerResolveTest.java
index 1a39c71b52..6fd5333cf2 100644
--- a/modules/swagger-gradle-plugin/src/test/java/io/swagger/v3/plugins/gradle/SwaggerResolveTest.java
+++ b/modules/swagger-gradle-plugin/src/test/java/io/swagger/v3/plugins/gradle/SwaggerResolveTest.java
@@ -81,7 +81,7 @@ public void testSwaggerResolveTask() throws IOException {
                 "    mavenCentral()\n" +
                 "}\n" +
                 "dependencies {  \n" +
-                "    implementation 'io.swagger.core.v3:swagger-jaxrs2:2.2.20'\n" +
+                "    implementation 'io.swagger.core.v3:swagger-jaxrs2:2.2.21-SNAPSHOT'\n" +
                 "    implementation 'javax.ws.rs:javax.ws.rs-api:2.1'\n" +
                 "    implementation 'javax.servlet:javax.servlet-api:3.1.0'\n" +
                 "    testImplementation 'com.github.tomakehurst:wiremock:2.27.2'\n" +
@@ -154,7 +154,7 @@ public void testSwaggerResolveWithOAS31OptionTask() throws IOException {
                 "    mavenCentral()\n" +
                 "}\n" +
                 "dependencies {  \n" +
-                "    implementation 'io.swagger.core.v3:swagger-jaxrs2:2.2.20'\n" +
+                "    implementation 'io.swagger.core.v3:swagger-jaxrs2:2.2.21-SNAPSHOT'\n" +
                 "    implementation 'javax.ws.rs:javax.ws.rs-api:2.1'\n" +
                 "    implementation 'javax.servlet:javax.servlet-api:3.1.0'\n" +
                 "    testImplementation 'com.github.tomakehurst:wiremock:2.27.2'\n" +
diff --git a/modules/swagger-integration/pom.xml b/modules/swagger-integration/pom.xml
index 6174e016d1..27e5445d7a 100644
--- a/modules/swagger-integration/pom.xml
+++ b/modules/swagger-integration/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.swagger.core.v3</groupId>
 		<artifactId>swagger-project</artifactId>
-		<version>2.2.20</version>
+		<version>2.2.21-SNAPSHOT</version>
 		<relativePath>../..</relativePath>
 	</parent>
 	<artifactId>swagger-integration</artifactId>
diff --git a/modules/swagger-jaxrs2-servlet-initializer-v2/pom.xml b/modules/swagger-jaxrs2-servlet-initializer-v2/pom.xml
index cc4bd97664..ff4992c6fc 100644
--- a/modules/swagger-jaxrs2-servlet-initializer-v2/pom.xml
+++ b/modules/swagger-jaxrs2-servlet-initializer-v2/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>swagger-project</artifactId>
         <groupId>io.swagger.core.v3</groupId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../../</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-jaxrs2-servlet-initializer/pom.xml b/modules/swagger-jaxrs2-servlet-initializer/pom.xml
index 7f4f52ce3c..7276104e16 100644
--- a/modules/swagger-jaxrs2-servlet-initializer/pom.xml
+++ b/modules/swagger-jaxrs2-servlet-initializer/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>swagger-project</artifactId>
         <groupId>io.swagger.core.v3</groupId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../../</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-jaxrs2/pom.xml b/modules/swagger-jaxrs2/pom.xml
index 89ec65075e..82c7d8d8a3 100644
--- a/modules/swagger-jaxrs2/pom.xml
+++ b/modules/swagger-jaxrs2/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>swagger-project</artifactId>
         <groupId>io.swagger.core.v3</groupId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../../</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-maven-plugin/pom.xml b/modules/swagger-maven-plugin/pom.xml
index 6ed245e341..af7252d3b8 100644
--- a/modules/swagger-maven-plugin/pom.xml
+++ b/modules/swagger-maven-plugin/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-models/pom.xml b/modules/swagger-models/pom.xml
index 276df61532..9416d48034 100644
--- a/modules/swagger-models/pom.xml
+++ b/modules/swagger-models/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-project-jakarta/modules/swagger-annotations-jakarta/pom.xml b/modules/swagger-project-jakarta/modules/swagger-annotations-jakarta/pom.xml
index 4e943ee116..8499e0073c 100644
--- a/modules/swagger-project-jakarta/modules/swagger-annotations-jakarta/pom.xml
+++ b/modules/swagger-project-jakarta/modules/swagger-annotations-jakarta/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project-jakarta</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-project-jakarta/modules/swagger-core-jakarta/pom.xml b/modules/swagger-project-jakarta/modules/swagger-core-jakarta/pom.xml
index 563c05dad9..15d2f0ab89 100644
--- a/modules/swagger-project-jakarta/modules/swagger-core-jakarta/pom.xml
+++ b/modules/swagger-project-jakarta/modules/swagger-core-jakarta/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project-jakarta</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-project-jakarta/modules/swagger-integration-jakarta/pom.xml b/modules/swagger-project-jakarta/modules/swagger-integration-jakarta/pom.xml
index 524d322f73..88bf860caf 100644
--- a/modules/swagger-project-jakarta/modules/swagger-integration-jakarta/pom.xml
+++ b/modules/swagger-project-jakarta/modules/swagger-integration-jakarta/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project-jakarta</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-project-jakarta/modules/swagger-jaxrs2-jakarta/pom.xml b/modules/swagger-project-jakarta/modules/swagger-jaxrs2-jakarta/pom.xml
index 54960146d7..66e7a36ffd 100644
--- a/modules/swagger-project-jakarta/modules/swagger-jaxrs2-jakarta/pom.xml
+++ b/modules/swagger-project-jakarta/modules/swagger-jaxrs2-jakarta/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project-jakarta</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-project-jakarta/modules/swagger-jaxrs2-servlet-initializer-jakarta/pom.xml b/modules/swagger-project-jakarta/modules/swagger-jaxrs2-servlet-initializer-jakarta/pom.xml
index 9c8d9863c7..30284f7385 100644
--- a/modules/swagger-project-jakarta/modules/swagger-jaxrs2-servlet-initializer-jakarta/pom.xml
+++ b/modules/swagger-project-jakarta/modules/swagger-jaxrs2-servlet-initializer-jakarta/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project-jakarta</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-project-jakarta/modules/swagger-jaxrs2-servlet-initializer-v2-jakarta/pom.xml b/modules/swagger-project-jakarta/modules/swagger-jaxrs2-servlet-initializer-v2-jakarta/pom.xml
index 7ff8e7a113..1cf5b4bcca 100644
--- a/modules/swagger-project-jakarta/modules/swagger-jaxrs2-servlet-initializer-v2-jakarta/pom.xml
+++ b/modules/swagger-project-jakarta/modules/swagger-jaxrs2-servlet-initializer-v2-jakarta/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project-jakarta</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-project-jakarta/modules/swagger-maven-plugin-jakarta/pom.xml b/modules/swagger-project-jakarta/modules/swagger-maven-plugin-jakarta/pom.xml
index 33b57206a9..2f1ab9219b 100644
--- a/modules/swagger-project-jakarta/modules/swagger-maven-plugin-jakarta/pom.xml
+++ b/modules/swagger-project-jakarta/modules/swagger-maven-plugin-jakarta/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project-jakarta</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-project-jakarta/modules/swagger-models-jakarta/pom.xml b/modules/swagger-project-jakarta/modules/swagger-models-jakarta/pom.xml
index a860ac8057..113ac83380 100644
--- a/modules/swagger-project-jakarta/modules/swagger-models-jakarta/pom.xml
+++ b/modules/swagger-project-jakarta/modules/swagger-models-jakarta/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>io.swagger.core.v3</groupId>
         <artifactId>swagger-project-jakarta</artifactId>
-        <version>2.2.20</version>
+        <version>2.2.21-SNAPSHOT</version>
         <relativePath>../..</relativePath>
     </parent>
     <modelVersion>4.0.0</modelVersion>
diff --git a/modules/swagger-project-jakarta/pom.xml b/modules/swagger-project-jakarta/pom.xml
index 4268289632..2219480bda 100644
--- a/modules/swagger-project-jakarta/pom.xml
+++ b/modules/swagger-project-jakarta/pom.xml
@@ -6,7 +6,7 @@
     <packaging>pom</packaging>
     <name>swagger-project-jakarta</name>
     <description>swagger-project-jakarta</description>
-    <version>2.2.20</version>
+    <version>2.2.21-SNAPSHOT</version>
     <url>https://github.com/swagger-api/swagger-core</url>
     <scm>
         <connection>scm:git:git@github.com:swagger-api/swagger-core.git</connection>
diff --git a/pom.xml b/pom.xml
index be798afdb6..bfb5c7978d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <packaging>pom</packaging>
     <name>swagger-project</name>
     <description>swagger-project</description>
-    <version>2.2.20</version>
+    <version>2.2.21-SNAPSHOT</version>
     <url>https://github.com/swagger-api/swagger-core</url>
     <scm>
         <connection>scm:git:git@github.com:swagger-api/swagger-core.git</connection>