diff --git a/.travis.yml b/.travis.yml
index 09eb38fa..aeea0607 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,14 +1,10 @@
 language: groovy
 jdk:
   - openjdk11
-sudo: false
 branches:
   only:
     - master
     - develop
-    - /^feature\/.*$/
-    - /^bugfix\/.*$/
-
 before_cache:
   - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
   - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
@@ -19,6 +15,10 @@ cache:
     - $HOME/.gradle/caches/
     - $HOME/.gradle/wrapper/
 
+install:
+  - 'travis_wait 30 ./gradlew clean'
+  - './gradlew assemble'
+
 after_success:
   - './gradlew bootJar'
   - '[ "${TRAVIS_PULL_REQUEST}" = "false" ] && travis_retry ./gradlew publish'
@@ -27,4 +27,4 @@ env:
   global:
     - JAVA_TOOL_OPTIONS=-Dhttps.protocols=TLSv1.2
     - secure: G31IscTcNtjjFA0R2pDRaZ2Std1d5F3pIfr3NUe0PsKcj8F2ubFd6xZ3LCccKu/HdDdlJ/6K6Khn1EfwHie5NRP+Uu7oAUOVkTXSeI4KfQFywpf3TvKLILh8/2NUe0451ESivKQ28UW4jPOehmLtCyd7MbxnO9GIrYyaWjNEJJw=
-    - secure: g7txXzs6g/DzF9bwI5UZ4wG2QxB4aqQeAK1TxL3P0DfMHB8hXs/BydKrFaA9TnJiB/g0fwabNCuJWr+IgOL3EPA1txwVu9VVttHqKiJXthoen1eN0QJtsCWhlE2/ldC1mENaJVXBQs7++sNutytUIOr9m2Yk78mXnu2RIfk7U/k=
\ No newline at end of file
+    - secure: g7txXzs6g/DzF9bwI5UZ4wG2QxB4aqQeAK1TxL3P0DfMHB8hXs/BydKrFaA9TnJiB/g0fwabNCuJWr+IgOL3EPA1txwVu9VVttHqKiJXthoen1eN0QJtsCWhlE2/ldC1mENaJVXBQs7++sNutytUIOr9m2Yk78mXnu2RIfk7U/k=
diff --git a/build.gradle b/build.gradle
index bda19662..e6ebcfeb 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,35 +1,22 @@
-buildscript {
-    repositories {
-        mavenLocal()
-        maven { url "https://nexus.ala.org.au/content/groups/public/" }
-        maven { url "https://repo.grails.org/grails/core" }
-    }
-    dependencies {
-        classpath "org.grails:grails-gradle-plugin:$grailsVersion"
-        classpath "org.grails.plugins:hibernate5:${gormVersion}"
-        classpath "gradle.plugin.com.github.erdi.webdriver-binaries:webdriver-binaries-gradle-plugin:$webdriverBinariesVersion"
-        classpath "com.bertramlabs.plugins:asset-pipeline-gradle:3.4.6"
-        classpath 'org.grails.plugins:database-migration:4.2.0'
-    }
-}
-
 plugins {
+    id "groovy"
+    id "org.grails.grails-gsp"
+    id "org.grails.grails-web"
+    id "com.github.erdi.webdriver-binaries" version "3.0"
+    id "war"
+    id "idea"
+    id "com.bertramlabs.asset-pipeline"
+    id "application"
+    id "eclipse"
+
     id "com.gorylenko.gradle-git-properties" version "2.4.1"
+
+    id "maven-publish"
 }
 
-version "4.1.0-SNAPSHOT"
+version "5.0.0-SNAPSHOT"
 group "au.org.ala"
 
-apply plugin:"eclipse"
-apply plugin:"idea"
-apply plugin:"war"
-apply plugin:"org.grails.grails-web"
-apply plugin:"com.github.erdi.webdriver-binaries"
-apply plugin:"com.bertramlabs.asset-pipeline"
-apply plugin:"org.grails.grails-gsp"
-apply plugin:"maven-publish"
-
-
 publishing {
     targetCompatibility = 1.11
     repositories {
@@ -51,12 +38,22 @@ publishing {
 
 bootWar {
     launchScript()
+    dependsOn(compileGroovyPages)
+}
+
+war {
+    dependsOn(compileGroovyPages)
+}
+
+java {
+    sourceCompatibility = JavaVersion.toVersion("11")
 }
 
 repositories {
     mavenLocal()
     maven { url "https://nexus.ala.org.au/content/groups/public/" }
-    maven { url "https://repo.grails.org/grails/core" }
+    mavenCentral()
+    maven { url "https://repo.grails.org/grails/core/" }
 }
 
 configurations {
@@ -94,7 +91,7 @@ dependencies {
     implementation "org.grails.plugins:scaffolding"
     implementation "org.grails.plugins:events"
     implementation "org.grails.plugins:hibernate5"
-    implementation "org.hibernate:hibernate-core:5.4.18.Final"
+    implementation("org.hibernate:hibernate-core:5.6.15.Final")
     implementation "org.grails.plugins:gsp"
 
     implementation "com.opencsv:opencsv:3.7"
@@ -106,8 +103,8 @@ dependencies {
 
     // See: https://github.com/AtlasOfLivingAustralia/collectory/issues/84#issuecomment-1070670979
     // before updating mysql-connector-java
-    implementation "mysql:mysql-connector-java:8.0.22"
-    implementation "org.grails.plugins:ala-bootstrap3:4.3.0"
+    implementation 'mysql:mysql-connector-java:8.0.33'
+    implementation "org.grails.plugins:ala-bootstrap3:4.4.0"
     implementation "au.org.ala.plugins.grails:ala-charts-plugin:2.3.0"
     implementation "org.grails.plugins:ala-auth:$alaSecurityLibsVersion"
     implementation "org.grails.plugins:ala-ws-security-plugin:$alaSecurityLibsVersion"
@@ -123,23 +120,23 @@ dependencies {
     runtimeOnly "com.h2database:h2"
     runtimeOnly "org.apache.tomcat:tomcat-jdbc"
     runtimeOnly "javax.xml.bind:jaxb-api:2.3.1"
-    runtimeOnly "com.bertramlabs.plugins:asset-pipeline-grails:3.4.6"
+    runtimeOnly "com.bertramlabs.plugins:asset-pipeline-grails:4.3.0"
     testImplementation "io.micronaut:micronaut-inject-groovy"
     testImplementation "org.grails:grails-gorm-testing-support"
     testImplementation "org.mockito:mockito-core"
     testImplementation "org.grails:grails-web-testing-support"
-    testImplementation "org.grails.plugins:geb"
-    testImplementation "org.seleniumhq.selenium:selenium-remote-driver:$seleniumVersion"
-    testImplementation "org.seleniumhq.selenium:selenium-api:$seleniumVersion"
-    testImplementation "org.seleniumhq.selenium:selenium-support:$seleniumVersion"
-    runtimeOnly "net.sourceforge.htmlunit:htmlunit:2.18"
-    testImplementation "org.seleniumhq.selenium:selenium-htmlunit-driver:2.47.1"
-    testImplementation "org.seleniumhq.selenium:selenium-chrome-driver:$seleniumVersion"
-    testImplementation "org.seleniumhq.selenium:selenium-firefox-driver:$seleniumVersion"
-    testImplementation "org.seleniumhq.selenium:selenium-safari-driver:$seleniumSafariDriverVersion"
+//    testImplementation "org.grails.plugins:geb"
+//    testImplementation "org.seleniumhq.selenium:selenium-remote-driver:$seleniumVersion"
+//    testImplementation "org.seleniumhq.selenium:selenium-api:$seleniumVersion"
+//    testImplementation "org.seleniumhq.selenium:selenium-support:$seleniumVersion"
+//    runtimeOnly "net.sourceforge.htmlunit:htmlunit:2.18"
+//    testImplementation "org.seleniumhq.selenium:selenium-htmlunit-driver:2.47.1"
+//    testImplementation "org.seleniumhq.selenium:selenium-chrome-driver:$seleniumVersion"
+//    testImplementation "org.seleniumhq.selenium:selenium-firefox-driver:$seleniumVersion"
+//    testImplementation "org.seleniumhq.selenium:selenium-safari-driver:$seleniumSafariDriverVersion"
     implementation 'org.grails.plugins:sentry:11.7.25'
     // db-migration
-    implementation 'org.liquibase:liquibase-core:4.19.0'
+    implementation 'org.liquibase:liquibase-core:4.20.0'
     implementation('org.grails.plugins:database-migration:4.2.0') {
         // spring-boot-cli exclusion required since Grails5 upgrade to prevent NullPointerException Error:  https://github.com/grails/grails-database-migration/issues/268
         exclude module: 'spring-boot-cli'
@@ -157,18 +154,18 @@ bootRun {
     String springProfilesActive = 'spring.profiles.active'
     systemProperty springProfilesActive, System.getProperty(springProfilesActive)
 }
-
-tasks.withType(Test) {
-    systemProperty "geb.env", System.getProperty('geb.env')
-    systemProperty "geb.build.reportsDir", reporting.file("geb/integrationTest")
-    systemProperty "webdriver.chrome.driver", System.getProperty('webdriver.chrome.driver')
-    systemProperty "webdriver.gecko.driver", System.getProperty('webdriver.gecko.driver')
-}
-
-webdriverBinaries {
-    chromedriver "$chromeDriverVersion"
-    geckodriver "$geckodriverVersion"
-}
+//
+//tasks.withType(Test) {
+//    systemProperty "geb.env", System.getProperty('geb.env')
+//    systemProperty "geb.build.reportsDir", reporting.file("geb/integrationTest")
+//    systemProperty "webdriver.chrome.driver", System.getProperty('webdriver.chrome.driver')
+//    systemProperty "webdriver.gecko.driver", System.getProperty('webdriver.gecko.driver')
+//}
+//
+//webdriverBinaries {
+//    chromedriver "$chromeDriverVersion"
+//    geckodriver "$geckodriverVersion"
+//}
 
 assets {
     minifyJs = true
diff --git a/gradle.properties b/gradle.properties
index d92011b4..2e1fd502 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,7 @@
-grailsVersion=5.2.1
+grailsVersion=6.0.0
+grailsGradlePluginVersion=6.0.0
 gormVersion=7.2.1
+org.gradle.caching=true
 org.gradle.daemon=true
 org.gradle.parallel=true
 org.gradle.jvmargs=-Dfile.encoding=UTF-8 -Xmx1024M
@@ -10,4 +12,4 @@ webdriverBinariesVersion=2.6
 chromeDriverVersion=2.45.0
 geckodriverVersion=0.24.0
 seleniumSafariDriverVersion=3.14.0
-alaSecurityLibsVersion=6.1.0
+alaSecurityLibsVersion=6.2.0
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ffed3a25..98debb84 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-7.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
index 1b6c7873..65dcd68d 100755
--- a/gradlew
+++ b/gradlew
@@ -55,7 +55,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/HEAD/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.
@@ -80,10 +80,10 @@ do
     esac
 done
 
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
-
-APP_NAME="Gradle"
+# This is normally unused
+# shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
+APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
@@ -143,12 +143,16 @@ fi
 if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
+        # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
+        # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
+        # shellcheck disable=SC3045 
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -205,6 +209,12 @@ set -- \
         org.gradle.wrapper.GradleWrapperMain \
         "$@"
 
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
 # Use "xargs" to parse quoted args.
 #
 # With -n1 it outputs one arg per line, with the quotes and backslashes removed.
diff --git a/gradlew.bat b/gradlew.bat
index ac1b06f9..6689b85b 100755
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -14,7 +14,7 @@
 @rem limitations under the License.
 @rem
 
-@if "%DEBUG%" == "" @echo off
+@if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
 @rem
 @rem  Gradle startup script for Windows
@@ -25,7 +25,8 @@
 if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
+if "%DIRNAME%"=="" set DIRNAME=.
+@rem This is normally unused
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -40,7 +41,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto execute
+if %ERRORLEVEL% equ 0 goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -75,13 +76,15 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 0 goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal
diff --git a/grails-app/controllers/au/org/ala/collectory/SitemapController.groovy b/grails-app/controllers/au/org/ala/collectory/SitemapController.groovy
index 541fc17c..899cfc12 100644
--- a/grails-app/controllers/au/org/ala/collectory/SitemapController.groovy
+++ b/grails-app/controllers/au/org/ala/collectory/SitemapController.groovy
@@ -14,6 +14,8 @@ class SitemapController {
             return
         }
 
+        response.contentType = "application/xml"
+
         if (idx == null) {
             // return sitemap index
             response.outputStream << index.newInputStream()
diff --git a/grails-wrapper.jar b/grails-wrapper.jar
index 6b6da64f..bc85146c 100644
Binary files a/grails-wrapper.jar and b/grails-wrapper.jar differ
diff --git a/grailsw b/grailsw
index 8d0cc123..c2c921c2 100755
--- a/grailsw
+++ b/grailsw
@@ -102,7 +102,6 @@ fi
 if $cygwin ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     JAVACMD=`cygpath --unix "$JAVACMD"`
-    JAR_PATH=`cygpath --path --mixed "$JAR_PATH"`
 
     # We build the pattern for arguments to be converted via cygpath
     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 00000000..464e7af9
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,20 @@
+pluginManagement {
+    repositories {
+        mavenLocal()
+        maven { url "https://nexus.ala.org.au/content/groups/public/" }
+        maven { url "https://repo.grails.org/grails/core/" }
+        gradlePluginPortal()
+    }
+    plugins {
+        id "org.grails.grails-web" version "6.0.0"
+        id "org.grails.grails-gsp" version "6.0.0"
+        id "com.bertramlabs.asset-pipeline" version "4.3.0"
+//        classpath "org.grails:grails-gradle-plugin:$grailsVersion"
+//        classpath "org.grails.plugins:hibernate5:${gormVersion}"
+//        classpath "gradle.plugin.com.github.erdi.webdriver-binaries:webdriver-binaries-gradle-plugin:$webdriverBinariesVersion"
+//        classpath "com.bertramlabs.plugins:asset-pipeline-gradle:3.4.6"
+//        classpath 'org.grails.plugins:database-migration:4.2.0'
+    }
+}
+
+rootProject.name='collectory'