Latest Gradle allows managing plugin versions in toml file as well.

Author: Chessray

build.gradle

@@ -3,10 +3,10 @@ plugins {
     id 'jacoco'
     id 'maven-publish'
     id 'signing'
-    id "com.github.ben-manes.versions" version "0.39.0"
-    id "org.springframework.boot" version "2.5.2" apply false
-    id "io.spring.dependency-management" version "1.0.11.RELEASE" apply false
-    id "org.asciidoctor.jvm.convert" version "3.3.2" apply false
+    alias(libs.plugins.vers)
+    alias(libs.plugins.spring.boot) apply false
+    alias(libs.plugins.spring.dependency.management) apply false
+    alias(libs.plugins.asciidoctor) apply false
 }
 
 def isNonStable = { String version ->
@@ -70,8 +70,3 @@ subprojects {
 
     check.dependsOn jacocoTestReport
 }
-
-wrapper {
-    gradleVersion = '7.1.1'
-}
-

gradle/libs.versions.toml

@@ -1,4 +1,5 @@
 [versions]
+asciidoctorPlugin = "3.3.2"
 assertj = "3.20.2"
 commons-io = "2.10.0"
 commons-lang3 = "3.12.0"
@@ -9,6 +10,9 @@ jupiter = "5.7.2"
 mapstruct = "1.4.0.Final"
 mockito = "3.11.2"
 spring = "5.0.0.RELEASE"
+springBoot = "2.6.2"
+springDependencyManagement = "1.0.11.RELEASE"
+versionsPlugin = "0.41.0"
 
 [libraries]
 assertj = { group = "org.assertj", name = "assertj-core", version.ref = "assertj"}
@@ -31,3 +35,9 @@ spring-test = { group = "org.springframework", name = "spring-test", version.ref
 
 [bundles]
 junit-jupiter = ["junit-jupiter-api", "junit-jupiter-engine", "junit-jupiter-params"]
+
+[plugins]
+asciidoctor = { id = "org.asciidoctor.jvm.convert", version.ref = "asciidoctorPlugin"}
+spring-dependency-management = { id = "io.spring.dependency-management", version.ref = "springDependencyManagement" }
+spring-boot = { id = "org.springframework.boot", version.ref = "springBoot" }
+vers = { id = "com.github.ben-manes.versions", version.ref = "versionsPlugin" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.1.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists