diff --git a/token-erc-721/chaincode-java/Dockerfile b/token-erc-721/chaincode-java/Dockerfile
old mode 100644
new mode 100755
index 1da02d05..e5992148
--- a/token-erc-721/chaincode-java/Dockerfile
+++ b/token-erc-721/chaincode-java/Dockerfile
@@ -8,7 +8,6 @@ COPY build.gradle ./
 # Build and package our code
 RUN gradle --no-daemon build shadowJar -x checkstyleMain -x checkstyleTest
 
-
 # the second stage of our build just needs the compiled files
 FROM openjdk:11-jre
 ARG CC_SERVER_PORT=9999
diff --git a/token-erc-721/chaincode-java/build.gradle b/token-erc-721/chaincode-java/build.gradle
old mode 100644
new mode 100755
diff --git a/token-erc-721/chaincode-java/docker/docker-entrypoint.sh b/token-erc-721/chaincode-java/docker/docker-entrypoint.sh
old mode 100644
new mode 100755
diff --git a/token-erc-721/chaincode-java/gradlew b/token-erc-721/chaincode-java/gradlew
old mode 100644
new mode 100755
diff --git a/token-erc-721/chaincode-java/gradlew.bat b/token-erc-721/chaincode-java/gradlew.bat
old mode 100644
new mode 100755
diff --git a/token-erc-721/chaincode-java/settings.gradle b/token-erc-721/chaincode-java/settings.gradle
old mode 100644
new mode 100755