diff --git a/samples/client/petstore/java/retrofit2-play26/.openapi-generator/VERSION b/samples/client/petstore/java/retrofit2-play26/.openapi-generator/VERSION
index c791c986fbb..6d94c9c2e12 100644
--- a/samples/client/petstore/java/retrofit2-play26/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/retrofit2-play26/.openapi-generator/VERSION
@@ -1 +1 @@
-3.2.3-SNAPSHOT
\ No newline at end of file
+3.3.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/meta-codegen/lib/pom.xml b/samples/meta-codegen/lib/pom.xml
index b2d69d52510..ead5db52eaa 100644
--- a/samples/meta-codegen/lib/pom.xml
+++ b/samples/meta-codegen/lib/pom.xml
@@ -116,7 +116,7 @@
     </dependencies>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <openapi-generator-version>3.2.3</openapi-generator-version>
+        <openapi-generator-version>3.3.0-SNAPSHOT</openapi-generator-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>
         <junit-version>4.8.1</junit-version>
     </properties>
diff --git a/samples/meta-codegen/usage/.openapi-generator/VERSION b/samples/meta-codegen/usage/.openapi-generator/VERSION
index c791c986fbb..6d94c9c2e12 100644
--- a/samples/meta-codegen/usage/.openapi-generator/VERSION
+++ b/samples/meta-codegen/usage/.openapi-generator/VERSION
@@ -1 +1 @@
-3.2.3-SNAPSHOT
\ No newline at end of file
+3.3.0-SNAPSHOT
\ No newline at end of file
diff --git a/shippable.yml b/shippable.yml
index 21476c33af7..efb7e072864 100644
--- a/shippable.yml
+++ b/shippable.yml
@@ -12,7 +12,7 @@ build:
   ci:
     - mvn --quiet clean install
     # ensure all modifications created by 'mature' generators are in the git repo
-    #- ./bin/utils/ensure-up-to-date
+    - ./bin/utils/ensure-up-to-date
     # prepare environment for tests
     - sudo apt-get update -qq
     # install stack