diff --git a/build.gradle b/build.gradle
index 93e584a..8bf64f5 100644
--- a/build.gradle
+++ b/build.gradle
@@ -2,8 +2,8 @@ import org.apache.tools.ant.filters.ReplaceTokens
 
 plugins {
     id 'java'
-    id 'com.github.johnrengelman.shadow' version '6.0.0'
-    id 'com.palantir.git-version' version '0.12.3'
+    id 'com.github.johnrengelman.shadow' version '7.1.2'
+    id 'com.palantir.git-version' version '0.13.0'
 }
 
 group = 'net.coreprotect'
@@ -11,7 +11,7 @@ String projectVersion = '20.4'
 String projectBranch = ''
 version = projectVersion // `version` might be modified, we don't always want that (e.g. plugin.yml)
 description = 'Provides block protection for your server.'
-sourceCompatibility = '1.8'
+sourceCompatibility = '17'
 
 if (System.getenv("BUILD_NUMBER") != null) {
     // Being built in Jenkins, append Build ID
@@ -25,17 +25,16 @@ logger.info("Building version $version")
 repositories {
     jcenter()
     maven { url = 'https://hub.spigotmc.org/nexus/content/groups/public/' }
-    maven { url = 'https://oss.sonatype.org/content/repositories/snapshots/' }
     maven { url = 'https://papermc.io/repo/repository/maven-public/' }
     maven { url = 'https://repo.codemc.org/repository/maven-public/' }
-    maven { url = 'https://maven.sk89q.com/repo/' }
+    maven { url = 'https://maven.enginehub.org/repo/' }
 }
 
 dependencies {
     compileOnly('com.sk89q.worldedit:worldedit-bukkit:7.0.0-SNAPSHOT') {
         exclude group: 'org.bukkit'
     }
-    compileOnly 'org.spigotmc:spigot-api:1.17-R0.1-SNAPSHOT'
+    compileOnly 'io.papermc.paper:paper-api:1.17-R0.1-SNAPSHOT'
     implementation 'org.bstats:bstats-bukkit-lite:1.8'
     implementation 'com.zaxxer:HikariCP:4.0.3'
 }