diff --git a/build.gradle b/build.gradle
index cc9b5b53..526d30b9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,10 +22,10 @@ import org.gradle.api.tasks.testing.logging.TestLogEvent
 
 plugins {
     id "org.springframework.boot" version "$LIB_SPRING_BOOT_VER" apply false
-    id "org.sonarqube" version "3.2.0"
+    id "org.sonarqube" version "$PLUGIN_SONARQUBE_VER"
     id "jacoco"
-    id 'io.codearte.nexus-staging' version '0.30.0'
-    id 'com.github.sherter.google-java-format' version '0.9' apply false
+    id 'io.codearte.nexus-staging' version "$PLUGIN_NEXUS_STAGING_VER"
+    id 'com.github.sherter.google-java-format' version "$PLUGIN_GOOGLE_JAVA_FORMAT_VER" apply false
 }
 
 sonarqube {
@@ -92,7 +92,7 @@ subprojects {
         }
 
         jacoco {
-            toolVersion = "0.8.7-SNAPSHOT"
+            toolVersion = "$PLUGIN_JACOCO_VER"
         }
 
         jacocoTestReport {
diff --git a/gradle.properties b/gradle.properties
index 539b8fb8..afb3b439 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -32,7 +32,7 @@ SOURCE_COMPATIBILITY=1.8
 TARGET_COMPATIBILITY=1.8
 ### Dependencies
 LIB_GRAPHQL_JAVA_VER=16.2
-LIB_EXTENDED_SCALARS_VERSION=16.0.1
+LIB_EXTENDED_SCALARS_VER=16.0.1
 LIB_SPRING_BOOT_VER=2.4.5
 LIB_GRAPHQL_SERVLET_VER=11.1.0
 LIB_GRAPHQL_JAVA_TOOLS_VER=11.0.1
@@ -40,5 +40,10 @@ LIB_GRAPHQL_ANNOTATIONS_VER=8.3
 LIB_REFLECTIONS_VER=0.9.11
 LIB_APACHE_COMMONS_TEXT=1.9
 LIB_JSOUP_VER=1.13.1
+### Plugins
+PLUGIN_JACOCO_VER=0.8.7-SNAPSHOT
+PLUGIN_SONARQUBE_VER=3.2.0
+PLUGIN_NEXUS_STAGING_VER=0.30.0
+PLUGIN_GOOGLE_JAVA_FORMAT_VER=0.9
 ###
 org.gradle.daemon=true
diff --git a/graphql-spring-boot-autoconfigure/build.gradle b/graphql-spring-boot-autoconfigure/build.gradle
index 04e59ca9..fb681c35 100644
--- a/graphql-spring-boot-autoconfigure/build.gradle
+++ b/graphql-spring-boot-autoconfigure/build.gradle
@@ -21,7 +21,7 @@ dependencies {
     api(project(":graphql-kickstart-spring-boot-starter-tools"))
     api(project(":graphql-kickstart-spring-support"))
     implementation "org.springframework.boot:spring-boot-autoconfigure"
-    api "com.graphql-java:graphql-java-extended-scalars:$LIB_EXTENDED_SCALARS_VERSION"
+    api "com.graphql-java:graphql-java-extended-scalars:$LIB_EXTENDED_SCALARS_VER"
     api "com.graphql-java-kickstart:graphql-java-kickstart:$LIB_GRAPHQL_SERVLET_VER"
     api "com.graphql-java-kickstart:graphql-java-servlet:$LIB_GRAPHQL_SERVLET_VER"
     api "com.graphql-java:graphql-java:$LIB_GRAPHQL_JAVA_VER"
diff --git a/graphql-spring-boot-dependencies/build.gradle b/graphql-spring-boot-dependencies/build.gradle
index 8ba03b89..93d5462e 100644
--- a/graphql-spring-boot-dependencies/build.gradle
+++ b/graphql-spring-boot-dependencies/build.gradle
@@ -2,7 +2,7 @@ apply plugin: "java-platform"
 
 dependencies {
     constraints {
-        api "com.graphql-java:graphql-java-extended-scalars:$LIB_EXTENDED_SCALARS_VERSION"
+        api "com.graphql-java:graphql-java-extended-scalars:$LIB_EXTENDED_SCALARS_VER"
         api "com.graphql-java:graphql-java:$LIB_GRAPHQL_JAVA_VER"
         api "com.graphql-java-kickstart:graphql-java-servlet:$LIB_GRAPHQL_SERVLET_VER"
         api "com.graphql-java-kickstart:graphql-java-kickstart:$LIB_GRAPHQL_SERVLET_VER"