diff --git a/build.gradle b/build.gradle
index fc90a24..ce4141d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,6 +5,7 @@ plugins {
     id 'io.github.gradle-nexus.publish-plugin' version "1.3.0"
     id 'org.cyclonedx.bom' version "1.8.1"
     id 'org.sonarqube' version "4.0.0.2929"
+    id 'io.github.sgtsilvio.gradle.javadoc-links' version "0.8.0"
 }
 
 group = 'com.github.pjfanning'
@@ -24,11 +25,15 @@ repositories {
     mavenCentral()
 }
 
+ext {
+    poiVersion = '5.2.5'
+}
+
 dependencies {
     implementation 'org.slf4j:slf4j-api:2.0.11'
     implementation 'com.h2database:h2:2.2.224'
-    implementation 'org.apache.poi:poi-ooxml:5.2.5'
-    implementation 'org.apache.poi:poi:5.2.5'
+    implementation "org.apache.poi:poi-ooxml:$poiVersion"
+    implementation "org.apache.poi:poi:$poiVersion"
     implementation 'org.apache.xmlbeans:xmlbeans:5.2.0'
     implementation 'org.apache.commons:commons-text:1.11.0'
     testImplementation 'junit:junit:4.13.2'