diff --git a/build.gradle b/build.gradle
index ca185af7..f622bef8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,9 +1,11 @@
 buildscript {
     repositories {
-        jcenter()
+        mavenCentral()
+        maven { url 'https://repo.spring.io/snapshot' }
+        maven { url 'http://repo.jenkins-ci.org/releases/' }
     }
     dependencies {
-        classpath 'org.springframework.boot:spring-boot-gradle-plugin:2.6.1'
+        classpath 'org.springframework.boot:spring-boot-gradle-plugin:2.4.1'
     }
 }
 
@@ -18,7 +20,14 @@ apply plugin: 'org.springframework.boot'
 apply plugin: 'io.spring.dependency-management'
 
 repositories {
-    jcenter()
+    mavenLocal()
+    maven {
+        url = uri('https://oss.sonatype.org/content/repositories/snapshots/')
+    }
+
+    maven {
+        url = uri('https://repo.maven.apache.org/maven2/')
+     }
 }
 
 dependencies {