diff --git a/samples/client/petstore-security-test/java/okhttp-gson/gradlew b/samples/client/petstore-security-test/java/okhttp-gson/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore-security-test/scala/gradlew b/samples/client/petstore-security-test/scala/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/feign/gradlew b/samples/client/petstore/java/feign/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/jersey1/gradlew b/samples/client/petstore/java/jersey1/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/jersey2-java6/gradlew b/samples/client/petstore/java/jersey2-java6/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/jersey2-java8/gradlew b/samples/client/petstore/java/jersey2-java8/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/jersey2/gradlew b/samples/client/petstore/java/jersey2/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/okhttp-gson-parcelableModel/gradlew b/samples/client/petstore/java/okhttp-gson-parcelableModel/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/okhttp-gson/gradlew b/samples/client/petstore/java/okhttp-gson/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/resteasy/gradlew b/samples/client/petstore/java/resteasy/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/resttemplate-withXml/gradlew b/samples/client/petstore/java/resttemplate-withXml/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/resttemplate/gradlew b/samples/client/petstore/java/resttemplate/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/retrofit/gradlew b/samples/client/petstore/java/retrofit/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/retrofit2-play24/gradlew b/samples/client/petstore/java/retrofit2-play24/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/retrofit2/gradlew b/samples/client/petstore/java/retrofit2/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/retrofit2rx/gradlew b/samples/client/petstore/java/retrofit2rx/gradlew old mode 100644 new mode 100755 diff --git a/samples/client/petstore/java/retrofit2rx2/gradlew b/samples/client/petstore/java/retrofit2rx2/gradlew old mode 100644 new mode 100755