diff --git a/build.gradle b/build.gradle
index 5f20639e..5ccdee8b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@
 
 buildscript {
     repositories {
-        jcenter()
+        mavenCentral()
         maven {
             url "https://plugins.gradle.org/m2/"
         }
@@ -14,6 +14,8 @@ plugins {
     id 'java'
     id 'groovy'
     id 'maven-publish'
+
+    alias(libs.plugins.gradle.versions)
 }
 
 ext {
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
new file mode 100644
index 00000000..a6e08583
--- /dev/null
+++ b/gradle/libs.versions.toml
@@ -0,0 +1,42 @@
+[versions]
+groovy-version = "3.0.20"
+
+[libraries]
+# Use Groovy which corresponds to Gradle version (of hsc build)
+groovy-all = { module = "org.codehaus.groovy:groovy-all", version.ref = "groovy-version" }
+# Since Groovy 2.5 it is necessary to import dateutil separately
+groovy-dateutil = { module = "org.codehaus.groovy:groovy-dateutil", version.ref = "groovy-version" }
+jsoup = "org.jsoup:jsoup:1.17.2"
+junit = "junit:junit:4.13.2"
+slf4j-api = "org.slf4j:slf4j-simple:2.0.7"
+slf4j-simple = "org.slf4j:slf4j-simple:2.0.7"
+spock = "org.spockframework:spock-core:2.3-groovy-3.0"
+
+[plugins]
+gradle-versions = { id= "com.github.ben-manes.versions", version = "0.50.0" }
+
+# Copyright Gerd Aschemann and aim42 contributors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
diff --git a/htmlSanityCheck-core/build.gradle b/htmlSanityCheck-core/build.gradle
index 3462ec86..82e1a27d 100644
--- a/htmlSanityCheck-core/build.gradle
+++ b/htmlSanityCheck-core/build.gradle
@@ -1,20 +1,16 @@
 dependencies {
-
     testImplementation(
-            'junit:junit:4.13.1',
-            'org.spockframework:spock-core:2.3-groovy-3.0',
-            'org.slf4j:slf4j-simple:2.0.7'
+            libs.junit,
+            libs.spock,
+            libs.slf4j.simple
     )
 
-//    implementation group: 'org.apache.logging.log4j', name: 'log4j-api', version: '2.17.1'
-    implementation "org.slf4j:slf4j-api:2.0.7"
+    implementation libs.slf4j.api
 
     // jsoup is our awesome html parser, see jsoup.org
-    implementation group: 'org.jsoup', name: 'jsoup', version: '1.16.1'
-    // Use Groovy which corresponds to Gradle version (of hsc build)
-    implementation 'org.codehaus.groovy:groovy-all:3.0.17'
-    // Since Groovy 2.5 it is necessary to import dateutil separately
-    implementation 'org.codehaus.groovy:groovy-dateutil:3.0.17'
+    implementation libs.jsoup
+    implementation libs.groovy.all
+    implementation libs.groovy.dateutil
 }
 
 apply plugin: 'groovy'
diff --git a/htmlSanityCheck-gradle-plugin/build.gradle b/htmlSanityCheck-gradle-plugin/build.gradle
index 1f713a62..ac05b353 100755
--- a/htmlSanityCheck-gradle-plugin/build.gradle
+++ b/htmlSanityCheck-gradle-plugin/build.gradle
@@ -1,11 +1,12 @@
 dependencies {
     testImplementation(
-            'junit:junit:4.13.1',
-            'org.spockframework:spock-core:2.3-groovy-3.0',
+            libs.junit,
+            libs.spock,
+
             gradleTestKit()
     )
 
-    implementation group: 'org.jsoup', name: 'jsoup', version: '1.16.1'
+    implementation libs.jsoup
     implementation gradleApi()
     implementation project(":htmlSanityCheck-core")
 }