diff --git a/samples/client/petstore/java/okhttp-gson-nextgen/.openapi-generator/VERSION b/samples/client/petstore/java/okhttp-gson-nextgen/.openapi-generator/VERSION
index 4077803655c..0984c4c1ad2 100644
--- a/samples/client/petstore/java/okhttp-gson-nextgen/.openapi-generator/VERSION
+++ b/samples/client/petstore/java/okhttp-gson-nextgen/.openapi-generator/VERSION
@@ -1 +1 @@
-5.3.1-SNAPSHOT
\ No newline at end of file
+5.4.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/swift5/frozenEnums/.openapi-generator/VERSION b/samples/client/petstore/swift5/frozenEnums/.openapi-generator/VERSION
index 4077803655c..0984c4c1ad2 100644
--- a/samples/client/petstore/swift5/frozenEnums/.openapi-generator/VERSION
+++ b/samples/client/petstore/swift5/frozenEnums/.openapi-generator/VERSION
@@ -1 +1 @@
-5.3.1-SNAPSHOT
\ No newline at end of file
+5.4.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/default/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/default/.openapi-generator/VERSION
index 4077803655c..0984c4c1ad2 100644
--- a/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/default/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/default/.openapi-generator/VERSION
@@ -1 +1 @@
-5.3.1-SNAPSHOT
\ No newline at end of file
+5.4.0-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/with-npm/.openapi-generator/VERSION b/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/with-npm/.openapi-generator/VERSION
index 4077803655c..0984c4c1ad2 100644
--- a/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/with-npm/.openapi-generator/VERSION
+++ b/samples/client/petstore/typescript-angular-v13-provided-in-root/builds/with-npm/.openapi-generator/VERSION
@@ -1 +1 @@
-5.3.1-SNAPSHOT
\ No newline at end of file
+5.4.0-SNAPSHOT
\ No newline at end of file