diff --git a/.mvn/wrapper/MavenWrapperDownloader.java b/.mvn/wrapper/MavenWrapperDownloader.java
index c32394f140..b901097f2d 100644
--- a/.mvn/wrapper/MavenWrapperDownloader.java
+++ b/.mvn/wrapper/MavenWrapperDownloader.java
@@ -20,7 +20,7 @@
 
 public class MavenWrapperDownloader {
 
-    private static final String WRAPPER_VERSION = "0.5.5";
+    private static final String WRAPPER_VERSION = "0.5.6";
     /**
      * 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 fa87ad7ddf..642d572ce9 100644
--- a/.mvn/wrapper/maven-wrapper.properties
+++ b/.mvn/wrapper/maven-wrapper.properties
@@ -1,2 +1,2 @@
-distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.1/apache-maven-3.6.1-bin.zip
-wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.3/apache-maven-3.6.3-bin.zip
+wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar
diff --git a/README.md b/README.md
index f863443ea1..9055bd1f60 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ interface. For details, see [the README](gcs/README.md).
 [![Maven Central](https://img.shields.io/maven-central/v/com.google.cloud.bigdataoss/bigquery-connector/hadoop3.svg?label=Maven%20Central)](https://search.maven.org/search?q=g:com.google.cloud.bigdataoss%20AND%20a:bigquery-connector%20AND%20v:hadoop3-*)
 
 The Google BigQuery connector for Hadoop MapReduce enables running MapReduce
-jobs on data in BigQuery by implementing the InputFormat & OutputFormat
+jobs on data in BigQuery by implementing the `InputFormat` & `OutputFormat`
 interfaces. For more details see
 [the documentation](https://cloud.google.com/dataproc/docs/concepts/connectors/bigquery)
 
@@ -42,6 +42,7 @@ from the main directory:
 ```bash
 # with Hadoop 2 and YARN support:
 ./mvnw -P hadoop2 clean package
+
 # with Hadoop 3 and YARN support:
 ./mvnw -P hadoop3 clean package
 ```
diff --git a/mvnw b/mvnw
index d2f0ea3808..41c0f0c23d 100755
--- a/mvnw
+++ b/mvnw
@@ -19,7 +19,7 @@
 # ----------------------------------------------------------------------------
 
 # ----------------------------------------------------------------------------
-# Maven2 Start Up Batch script
+# Maven Start Up Batch script
 #
 # Required ENV vars:
 # ------------------
@@ -212,9 +212,9 @@ else
       echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
     fi
     if [ -n "$MVNW_REPOURL" ]; then
-      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+      jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
     else
-      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+      jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
     fi
     while IFS="=" read key value; do
       case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
@@ -246,7 +246,7 @@ else
         else
             curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
         fi
-        
+
     else
         if [ "$MVNW_VERBOSE" = true ]; then
           echo "Falling back to using Java to download"
diff --git a/mvnw.cmd b/mvnw.cmd
index b26ab24f03..86115719e5 100644
--- a/mvnw.cmd
+++ b/mvnw.cmd
@@ -18,7 +18,7 @@
 @REM ----------------------------------------------------------------------------
 
 @REM ----------------------------------------------------------------------------
-@REM Maven2 Start Up Batch script
+@REM Maven Start Up Batch script
 @REM
 @REM Required ENV vars:
 @REM JAVA_HOME - location of a JDK home dir
@@ -26,7 +26,7 @@
 @REM Optional ENV vars
 @REM M2_HOME - location of maven2's installed home dir
 @REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
-@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
+@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
 @REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
 @REM     e.g. to debug Maven itself, use
 @REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@@ -120,7 +120,7 @@ SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
 set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
 set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
 
-set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
 
 FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
     IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
@@ -134,7 +134,7 @@ if exist %WRAPPER_JAR% (
     )
 ) else (
     if not "%MVNW_REPOURL%" == "" (
-        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.5/maven-wrapper-0.5.5.jar"
+        SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
     )
     if "%MVNW_VERBOSE%" == "true" (
         echo Couldn't find %WRAPPER_JAR%, downloading it ...