diff --git a/README.md b/README.md
index 0a9fc6c6..ea1316ed 100644
--- a/README.md
+++ b/README.md
@@ -192,7 +192,7 @@ Then add the dependency to your module's build.gradle:
 
 /app/build.gradle
 ```groovy
-implementation 'com.github.felHR85:UsbSerial:6.0.3'
+implementation 'com.github.felHR85:UsbSerial:6.0.4'
 ```
 
 TO-DO
diff --git a/gradle.properties b/gradle.properties
index 62e1973d..4a85b3ed 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,4 @@
-VERSION_NAME=6.0.3
+VERSION_NAME=6.0.4
 VERSION_CODE=1
 ANDROID_BUILD_MIN_SDK_VERSION=12
 ANDROID_BUILD_TARGET_SDK_VERSION=27
diff --git a/release.sh b/release.sh
index 2afc4abc..ae15125e 100644
--- a/release.sh
+++ b/release.sh
@@ -14,14 +14,14 @@ esac
 done
 
 # Show error message if no version was provided
-if [ -z ${VERSION} ];
+if [[ -z ${VERSION} ]];
 then
     echo "UsbSerial: Error!! No version was provided"
     exit 0
 fi
 
 # Show error message if no message was provided
-if [ -z ${MESSAGE} ];
+if [[ -z ${MESSAGE} ]];
 then
     echo "UsbSerial: Error!! No message was provided"
     exit 0
@@ -45,8 +45,9 @@ ex -sc "${LINE}i|$GRADLE_LINE" -cx README.md
 ./gradlew clean build
 
 # Git stuff
-git commit -m $MESSAGE
-git tag $VERSION
+git add .
+git commit -m "${MESSAGE}"
+git tag ${VERSION}
 git push origin master
 git push --tags