prepped for 0.5.4 release
diff --git a/.mvn/wrapper/MavenWrapperDownloader.java b/.mvn/wrapper/MavenWrapperDownloader.java
index b20a55a..1ef8d69 100644
--- a/.mvn/wrapper/MavenWrapperDownloader.java
+++ b/.mvn/wrapper/MavenWrapperDownloader.java
@@ -20,7 +20,7 @@
 
 public class MavenWrapperDownloader {
 
-    private static final String WRAPPER_VERSION = "0.5.3";
+    private static final String WRAPPER_VERSION = "0.5.4";
     /**
      * Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
      */
diff --git a/.mvn/wrapper/maven-wrapper.properties b/.mvn/wrapper/maven-wrapper.properties
index 3ddc5e5..ba03293 100644
--- a/.mvn/wrapper/maven-wrapper.properties
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -1,3 +1,3 @@
 distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip
-wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.3/maven-wrapper-0.5.3.jar
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.4/maven-wrapper-0.5.4.jar
 
diff --git a/mvnw b/mvnw
index b38cccd..35ff643 100755
--- a/mvnw
+++ b/mvnw
@@ -212,9 +212,9 @@
       echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
     fi
     if [ -n "$MVNW_REPOURL" ]; then
-      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.3/maven-wrapper-0.5.3.jar"
+      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.4/maven-wrapper-0.5.4.jar"
     else
-      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.3/maven-wrapper-0.5.3.jar"
+      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.4/maven-wrapper-0.5.4.jar"
     fi
     while IFS="=" read key value; do
       case "$key" in (wrapperUrl) jarUrl="$value"; break ;;