diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
index 552eb62..c2b6f0c 100644
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ b/buildSrc/src/main/kotlin/Versions.kt
@@ -12,37 +12,36 @@ import org.gradle.plugin.use.PluginDependencySpec
  * YOU are responsible for updating manually the dependency version.
  */
 object Versions {
-    const val org_jetbrains_kotlin: String = "1.3.61" // available: "1.3.61"
+    const val org_jetbrains_kotlin: String = "1.3.70"
 
     const val com_github_johnrengelman_shadow_gradle_plugin: String = "5.2.0"
-             // available: "5.2.0"
 
     const val de_fayard_buildsrcversions_gradle_plugin: String = "0.7.0"
 
-    const val org_jetbrains_kotlin_jvm_gradle_plugin: String = "1.3.61" // available: "1.3.61"
+    const val org_jetbrains_kotlin_jvm_gradle_plugin: String = "1.3.70"
 
-    const val jackson_module_kotlin: String = "2.10.1" // available: "2.10.1"
+    const val jackson_module_kotlin: String = "2.10.3"
 
     const val kotlin_openapi3_dsl: String = "0.20.2"
 
-    const val jackson_databind: String = "2.10.1" // available: "2.10.1"
+    const val jackson_databind: String = "2.10.3"
 
-    const val junit_jupiter: String = "5.5.2"
+    const val junit_jupiter: String = "5.6.0"
 
-    const val slf4j_simple: String = "1.7.30" // available: "1.7.30"
+    const val slf4j_simple: String = "1.7.30"
 
-    const val swagger_core: String = "2.1.0" // available: "2.1.0"
+    const val swagger_core: String = "2.1.1"
 
-    const val swagger_ui: String = "3.24.3" // available: "3.24.3"
+    const val swagger_ui: String = "3.25.0"
 
-    const val javalin: String = "3.6.0" // available: "3.6.0"
+    const val javalin: String = "3.7.0"
 
     /**
-     * Current version: "5.6.2"
+     * Current version: "6.2.2"
      * See issue 19: How to update Gradle itself?
      * https://github.com/jmfayard/buildSrcVersions/issues/19
      */
-    const val gradleLatestVersion: String = "6.0.1"
+    const val gradleLatestVersion: String = "6.2.2"
 }
 
 /**
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 5c2d1cf..cc4fdc2 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 9492014..84a9066 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.0.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 83f2acf..2fe81a7 100755
--- a/gradlew
+++ b/gradlew
@@ -154,19 +154,19 @@ if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
         else
             eval `echo args$i`="\"$arg\""
         fi
-        i=$((i+1))
+        i=`expr $i + 1`
     done
     case $i in
-        (0) set -- ;;
-        (1) set -- "$args0" ;;
-        (2) set -- "$args0" "$args1" ;;
-        (3) set -- "$args0" "$args1" "$args2" ;;
-        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
     esac
 fi
 
@@ -175,14 +175,9 @@ save () {
     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
     echo " "
 }
-APP_ARGS=$(save "$@")
+APP_ARGS=`save "$@"`
 
 # Collect all arguments for the java command, following the shell quoting and substitution rules
 eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
 
-# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
-if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
-  cd "$(dirname "$0")"
-fi
-
 exec "$JAVACMD" "$@"