diff --git a/modules/openapi-generator-cli/pom.xml b/modules/openapi-generator-cli/pom.xml
index 04f273dad27..74516481b2e 100644
--- a/modules/openapi-generator-cli/pom.xml
+++ b/modules/openapi-generator-cli/pom.xml
@@ -4,7 +4,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>7.1.0-SNAPSHOT</version>
+        <version>8.0.0-SNAPSHOT</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>
diff --git a/modules/openapi-generator-core/pom.xml b/modules/openapi-generator-core/pom.xml
index e6d65605b7f..b18f685300a 100644
--- a/modules/openapi-generator-core/pom.xml
+++ b/modules/openapi-generator-core/pom.xml
@@ -6,7 +6,7 @@
     <artifactId>openapi-generator-project</artifactId>
     <groupId>org.openapitools</groupId>
     <!-- RELEASE_VERSION -->
-    <version>7.1.0-SNAPSHOT</version>
+    <version>8.0.0-SNAPSHOT</version>
     <!-- /RELEASE_VERSION -->
     <relativePath>../..</relativePath>
   </parent>
diff --git a/modules/openapi-generator-gradle-plugin/gradle.properties b/modules/openapi-generator-gradle-plugin/gradle.properties
index 11df589b84b..c86ac39b259 100644
--- a/modules/openapi-generator-gradle-plugin/gradle.properties
+++ b/modules/openapi-generator-gradle-plugin/gradle.properties
@@ -1,5 +1,5 @@
 # RELEASE_VERSION
-openApiGeneratorVersion=7.1.0-SNAPSHOT
+openApiGeneratorVersion=8.0.0-SNAPSHOT
 # /RELEASE_VERSION
 
 # BEGIN placeholders
diff --git a/modules/openapi-generator-gradle-plugin/pom.xml b/modules/openapi-generator-gradle-plugin/pom.xml
index eb972aa0870..9b6da7792d6 100644
--- a/modules/openapi-generator-gradle-plugin/pom.xml
+++ b/modules/openapi-generator-gradle-plugin/pom.xml
@@ -4,7 +4,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>7.1.0-SNAPSHOT</version>
+        <version>8.0.0-SNAPSHOT</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>
diff --git a/modules/openapi-generator-gradle-plugin/samples/local-spec/gradle.properties b/modules/openapi-generator-gradle-plugin/samples/local-spec/gradle.properties
index b6bc0004a3e..e9ca0983084 100644
--- a/modules/openapi-generator-gradle-plugin/samples/local-spec/gradle.properties
+++ b/modules/openapi-generator-gradle-plugin/samples/local-spec/gradle.properties
@@ -1,3 +1,3 @@
 # RELEASE_VERSION
-openApiGeneratorVersion=7.1.0-SNAPSHOT
+openApiGeneratorVersion=8.0.0-SNAPSHOT
 # /RELEASE_VERSION
diff --git a/modules/openapi-generator-maven-plugin/examples/java-client.xml b/modules/openapi-generator-maven-plugin/examples/java-client.xml
index 96bcc4607cd..e30070b073d 100644
--- a/modules/openapi-generator-maven-plugin/examples/java-client.xml
+++ b/modules/openapi-generator-maven-plugin/examples/java-client.xml
@@ -13,7 +13,7 @@
                 <groupId>org.openapitools</groupId>
                 <artifactId>openapi-generator-maven-plugin</artifactId>
                 <!-- RELEASE_VERSION -->
-                <version>7.1.0-SNAPSHOT</version>
+                <version>8.0.0-SNAPSHOT</version>
                 <!-- /RELEASE_VERSION -->
                 <executions>
                     <execution>
diff --git a/modules/openapi-generator-maven-plugin/examples/kotlin.xml b/modules/openapi-generator-maven-plugin/examples/kotlin.xml
index 21ce29311af..b18d577b434 100644
--- a/modules/openapi-generator-maven-plugin/examples/kotlin.xml
+++ b/modules/openapi-generator-maven-plugin/examples/kotlin.xml
@@ -15,7 +15,7 @@
 				<groupId>org.openapitools</groupId>
 				<artifactId>openapi-generator-maven-plugin</artifactId>
 				<!-- RELEASE_VERSION -->
-				<version>7.1.0-SNAPSHOT</version>
+				<version>8.0.0-SNAPSHOT</version>
 				<!-- /RELEASE_VERSION -->
 				<executions>
 					<execution>
diff --git a/modules/openapi-generator-maven-plugin/examples/multi-module/java-client/pom.xml b/modules/openapi-generator-maven-plugin/examples/multi-module/java-client/pom.xml
index 6c40c71be00..8c966d98687 100644
--- a/modules/openapi-generator-maven-plugin/examples/multi-module/java-client/pom.xml
+++ b/modules/openapi-generator-maven-plugin/examples/multi-module/java-client/pom.xml
@@ -19,7 +19,7 @@
                 <groupId>org.openapitools</groupId>
                 <artifactId>openapi-generator-maven-plugin</artifactId>
                 <!-- RELEASE_VERSION -->
-                <version>7.1.0-SNAPSHOT</version>
+                <version>8.0.0-SNAPSHOT</version>
                 <!-- /RELEASE_VERSION -->
                 <dependencies>
                     <dependency>
diff --git a/modules/openapi-generator-maven-plugin/examples/non-java-invalid-spec.xml b/modules/openapi-generator-maven-plugin/examples/non-java-invalid-spec.xml
index acdfe54dfdd..495a6a68165 100644
--- a/modules/openapi-generator-maven-plugin/examples/non-java-invalid-spec.xml
+++ b/modules/openapi-generator-maven-plugin/examples/non-java-invalid-spec.xml
@@ -13,7 +13,7 @@
                 <groupId>org.openapitools</groupId>
                 <artifactId>openapi-generator-maven-plugin</artifactId>
                 <!-- RELEASE_VERSION -->
-                <version>7.1.0-SNAPSHOT</version>
+                <version>8.0.0-SNAPSHOT</version>
                 <!-- /RELEASE_VERSION -->
                 <executions>
                     <execution>
diff --git a/modules/openapi-generator-maven-plugin/examples/non-java.xml b/modules/openapi-generator-maven-plugin/examples/non-java.xml
index 7d3617d18d1..c965b34320b 100644
--- a/modules/openapi-generator-maven-plugin/examples/non-java.xml
+++ b/modules/openapi-generator-maven-plugin/examples/non-java.xml
@@ -13,7 +13,7 @@
                 <groupId>org.openapitools</groupId>
                 <artifactId>openapi-generator-maven-plugin</artifactId>
                 <!-- RELEASE_VERSION -->
-                <version>7.1.0-SNAPSHOT</version>
+                <version>8.0.0-SNAPSHOT</version>
                 <!-- /RELEASE_VERSION -->
                 <executions>
                     <execution>
diff --git a/modules/openapi-generator-maven-plugin/examples/spring.xml b/modules/openapi-generator-maven-plugin/examples/spring.xml
index 02d44313e18..62c76b54baf 100644
--- a/modules/openapi-generator-maven-plugin/examples/spring.xml
+++ b/modules/openapi-generator-maven-plugin/examples/spring.xml
@@ -20,7 +20,7 @@
                 <groupId>org.openapitools</groupId>
                 <artifactId>openapi-generator-maven-plugin</artifactId>
                 <!-- RELEASE_VERSION -->
-                <version>7.1.0-SNAPSHOT</version>
+                <version>8.0.0-SNAPSHOT</version>
                 <!-- /RELEASE_VERSION -->
                 <executions>
                     <execution>
diff --git a/modules/openapi-generator-maven-plugin/pom.xml b/modules/openapi-generator-maven-plugin/pom.xml
index c8598352669..09b4d0f4236 100644
--- a/modules/openapi-generator-maven-plugin/pom.xml
+++ b/modules/openapi-generator-maven-plugin/pom.xml
@@ -5,7 +5,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>7.1.0-SNAPSHOT</version>
+        <version>8.0.0-SNAPSHOT</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>
diff --git a/modules/openapi-generator-online/pom.xml b/modules/openapi-generator-online/pom.xml
index 3ef2e372a8d..77bdd0b1649 100644
--- a/modules/openapi-generator-online/pom.xml
+++ b/modules/openapi-generator-online/pom.xml
@@ -4,7 +4,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>7.1.0-SNAPSHOT</version>
+        <version>8.0.0-SNAPSHOT</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>
diff --git a/modules/openapi-generator/pom.xml b/modules/openapi-generator/pom.xml
index f55c4d55abe..fbf4cb610ff 100644
--- a/modules/openapi-generator/pom.xml
+++ b/modules/openapi-generator/pom.xml
@@ -4,7 +4,7 @@
         <groupId>org.openapitools</groupId>
         <artifactId>openapi-generator-project</artifactId>
         <!-- RELEASE_VERSION -->
-        <version>7.1.0-SNAPSHOT</version>
+        <version>8.0.0-SNAPSHOT</version>
         <!-- /RELEASE_VERSION -->
         <relativePath>../..</relativePath>
     </parent>
diff --git a/pom.xml b/pom.xml
index a99ac8a7c02..8fa101c6347 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
     <packaging>pom</packaging>
     <name>openapi-generator-project</name>
     <!-- RELEASE_VERSION -->
-    <version>7.1.0-SNAPSHOT</version>
+    <version>8.0.0-SNAPSHOT</version>
     <!-- /RELEASE_VERSION -->
     <url>https://github.com/openapitools/openapi-generator</url>
     <scm>