diff --git a/token-erc-20/chaincode-java/config/checkstyle/checkstyle.xml b/token-erc-20/chaincode-java/config/checkstyle/checkstyle.xml
old mode 100755
new mode 100644
diff --git a/token-erc-20/chaincode-java/config/checkstyle/suppressions.xml b/token-erc-20/chaincode-java/config/checkstyle/suppressions.xml
old mode 100755
new mode 100644
diff --git a/token-erc-20/chaincode-java/gradle/wrapper/gradle-wrapper.jar b/token-erc-20/chaincode-java/gradle/wrapper/gradle-wrapper.jar
old mode 100755
new mode 100644
diff --git a/token-erc-20/chaincode-java/gradle/wrapper/gradle-wrapper.properties b/token-erc-20/chaincode-java/gradle/wrapper/gradle-wrapper.properties
old mode 100755
new mode 100644