diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 62f401fb..648ab1c4 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -13,8 +13,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Set up JDK 11
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v2
       with:
+        distribution: 'adopt'
         java-version: 11
     - name: Build with Gradle
       run: ./gradlew build
diff --git a/build.gradle.kts b/build.gradle.kts
index 3a8381ee..e2c2887a 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -3,6 +3,7 @@ import com.github.jengelman.gradle.plugins.shadow.ShadowPlugin
 plugins {
     `java-library`
     `maven-publish`
+    id("net.kyori.blossom") version "1.2.0" apply false
 }
 
 allprojects {
@@ -33,27 +34,13 @@ subprojects {
         }
     }
 
-    val platforms = listOf(
-        "bukkit",
-        "bungee",
-        "sponge",
-        "velocity",
-        "fabric"
-    ).map { "viabackwards-$it" }
-    if (platforms.contains(project.name)) {
-        configureShadowJar()
-    }
-    if (project.name == "viabackwards") {
-        apply<ShadowPlugin>()
-    }
-
     repositories {
         maven("https://repo.viaversion.com")
+        maven("https://papermc.io/repo/repository/maven-public/")
         maven("https://oss.sonatype.org/content/repositories/snapshots/")
-        maven("https://hub.spigotmc.org/nexus/content/repositories/snapshots")
         maven("https://nexus.velocitypowered.com/repository/velocity-artifacts-snapshots/")
         maven("https://repo.spongepowered.org/maven")
-        maven("https://repo.maven.apache.org/maven2/")
+        mavenCentral()
     }
 
     java {
@@ -88,6 +75,16 @@ subprojects {
     }
 }
 
+sequenceOf(
+        projects.viabackwardsBukkit,
+        projects.viabackwardsBungee,
+        projects.viabackwardsFabric,
+        projects.viabackwardsSponge,
+        projects.viabackwardsVelocity
+).map { it.dependencyProject }.forEach { project ->
+    project.configureShadowJar()
+}
+
 tasks {
     withType<Jar> {
         onlyIf { false }
diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
deleted file mode 100644
index b341e08a..00000000
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ /dev/null
@@ -1,17 +0,0 @@
-object Versions {
-    // ViaVersion
-    const val viaversion = "3.3.0-21w14a"
-
-    // Common
-    const val netty = "4.0.20.Final"
-    const val guava = "17.0"
-    const val fabricLoader = "0.4.8+build.154"
-    const val log4j = "2.8.1"
-    const val checkerQual = "3.12.0"
-
-    // Platforms
-    const val spigot = "1.16.5-R0.1-SNAPSHOT"
-    const val bungee = "1.16-R0.5-SNAPSHOT"
-    const val sponge = "5.0.0-SNAPSHOT"
-    const val velocity = "1.1.0-SNAPSHOT"
-}
diff --git a/bukkit/build.gradle.kts b/bukkit/build.gradle.kts
index af846bbb..807c4fcc 100644
--- a/bukkit/build.gradle.kts
+++ b/bukkit/build.gradle.kts
@@ -1,6 +1,6 @@
 dependencies {
-    implementation(project(":viabackwards-common"))
-    compileOnly("org.spigotmc", "spigot-api", Versions.spigot) {
+    implementation(projects.viabackwardsCommon)
+    compileOnly(libs.paper) {
         exclude("com.google.code.gson", "gson")
         exclude("javax.persistence", "persistence-api")
     }
diff --git a/bungee/build.gradle.kts b/bungee/build.gradle.kts
index 69f07b3c..0995d6f3 100644
--- a/bungee/build.gradle.kts
+++ b/bungee/build.gradle.kts
@@ -1,4 +1,4 @@
 dependencies {
-    implementation(project(":viabackwards-common"))
-    compileOnly("net.md-5", "bungeecord-api", Versions.bungee)
+    implementation(projects.viabackwardsCommon)
+    compileOnly(libs.bungee)
 }
diff --git a/common/build.gradle.kts b/common/build.gradle.kts
index a31cb762..30460105 100644
--- a/common/build.gradle.kts
+++ b/common/build.gradle.kts
@@ -1,5 +1,5 @@
 plugins {
-    id("net.kyori.blossom") version "1.2.0"
+    id("net.kyori.blossom")
 }
 
 blossom {
@@ -8,8 +8,8 @@ blossom {
 }
 
 dependencies {
-    compileOnly("io.netty", "netty-all", Versions.netty)
-    compileOnlyApi("us.myles", "viaversion", Versions.viaversion)
-    compileOnlyApi("com.google.guava", "guava", Versions.guava)
-    compileOnlyApi("org.checkerframework", "checker-qual", Versions.checkerQual)
+    compileOnlyApi(libs.viaver)
+    compileOnlyApi(libs.netty)
+    compileOnlyApi(libs.guava)
+    compileOnlyApi(libs.checkerQual)
 }
\ No newline at end of file
diff --git a/fabric/build.gradle.kts b/fabric/build.gradle.kts
index 2bd07e82..4e6c8cb8 100644
--- a/fabric/build.gradle.kts
+++ b/fabric/build.gradle.kts
@@ -1,5 +1,5 @@
 dependencies {
-    implementation(project(":viabackwards-common"))
-    compileOnly("net.fabricmc", "fabric-loader", Versions.fabricLoader)
-    compileOnly("org.apache.logging.log4j", "log4j-api", Versions.log4j)
+    implementation(projects.viabackwardsCommon)
+    compileOnly(libs.fabricLoader)
+    compileOnly(libs.log4j)
 }
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
new file mode 100644
index 00000000..26c90a90
--- /dev/null
+++ b/gradle/libs.versions.toml
@@ -0,0 +1,37 @@
+metadata.format.version = "1.0"
+
+[versions]
+
+# ViaVersion
+viaver = "3.3.0-21w14a"
+
+# Common provided
+netty = "4.0.20.Final"
+guava = "17.0"
+log4j = "2.8.1"
+
+checkerQual = "3.12.0"
+
+# Platforms
+paper = "1.16.5-R0.1-SNAPSHOT"
+bungee = "1.16-R0.5-SNAPSHOT"
+sponge = "5.0.0"
+velocity = "1.1.0-SNAPSHOT"
+fabricLoader = "0.4.8+build.154"
+
+
+[libraries]
+
+viaver = { group = "us.myles", name = "viaversion", version.ref = "viaver" }
+
+netty = { group = "io.netty", name = "netty-all", version.ref = "netty" }
+guava = { group = "com.google.guava", name = "guava", version.ref = "guava" }
+log4j = { group = "org.apache.logging.log4j", name = "log4j-api", version.ref = "log4j" }
+
+checkerQual = { group = "org.checkerframework", name = "checker-qual", version.ref = "checkerQual" }
+
+paper = { group = "com.destroystokyo.paper", name = "paper-api", version.ref = "paper" }
+bungee = { group = "net.md-5", name = "bungeecord-api", version.ref = "bungee" }
+sponge = { group = "org.spongepowered", name = "spongeapi", version.ref = "sponge" }
+velocity = { group = "com.velocitypowered", name = "velocity-api", version.ref = "velocity" }
+fabricLoader = { group = "net.fabricmc", name = "fabric-loader", version.ref = "fabricLoader" }
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 0e90bdbe..2d2de557 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,5 +1,8 @@
 rootProject.name = "viabackwards-parent"
 
+enableFeaturePreview("TYPESAFE_PROJECT_ACCESSORS")
+enableFeaturePreview("VERSION_CATALOGS")
+
 setupViaSubproject("common")
 setupViaSubproject("bukkit")
 setupViaSubproject("bungee")
diff --git a/sponge/build.gradle.kts b/sponge/build.gradle.kts
index 49de7657..16ecd5bc 100644
--- a/sponge/build.gradle.kts
+++ b/sponge/build.gradle.kts
@@ -1,5 +1,5 @@
 dependencies {
-    implementation(project(":viabackwards-common"))
-    compileOnly("org.spongepowered","spongeapi", Versions.sponge)
-    annotationProcessor("org.spongepowered","spongeapi", Versions.sponge)
+    implementation(projects.viabackwardsCommon)
+    compileOnly(libs.sponge)
+    annotationProcessor(libs.sponge)
 }
diff --git a/universal/build.gradle.kts b/universal/build.gradle.kts
index a3cfb268..123fabde 100644
--- a/universal/build.gradle.kts
+++ b/universal/build.gradle.kts
@@ -1,22 +1,26 @@
 import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 
+plugins {
+    id("com.github.johnrengelman.shadow")
+}
+
 tasks {
     withType<ShadowJar> {
         archiveClassifier.set("")
         archiveFileName.set("ViaBackwards-${project.version}.jar")
         destinationDirectory.set(rootProject.projectDir.resolve("build/libs"))
         duplicatesStrategy = DuplicatesStrategy.EXCLUDE
-        arrayOf(
-                "bukkit",
-                "bungee",
-                "sponge",
-                "velocity",
-                "fabric"
-        ).forEach {
-            val subProject = rootProject.project(":viabackwards-$it")
-            val shadowJarTask = subProject.tasks.getByName("shadowJar")
-            from(zipTree(shadowJarTask.outputs.files.singleFile))
+        sequenceOf(
+                rootProject.projects.viabackwardsBukkit,
+                rootProject.projects.viabackwardsBungee,
+                rootProject.projects.viabackwardsFabric,
+                rootProject.projects.viabackwardsSponge,
+                rootProject.projects.viabackwardsVelocity,
+        ).map { it.dependencyProject }.forEach { subproject ->
+            val shadowJarTask = subproject.tasks.getByName("shadowJar", ShadowJar::class)
             dependsOn(shadowJarTask)
+            dependsOn(subproject.tasks.withType<Jar>())
+            from(zipTree(shadowJarTask.archiveFile))
         }
     }
     build {
diff --git a/velocity/build.gradle.kts b/velocity/build.gradle.kts
index 932e48b0..e325be0e 100644
--- a/velocity/build.gradle.kts
+++ b/velocity/build.gradle.kts
@@ -1,5 +1,5 @@
 dependencies {
-    implementation(project(":viabackwards-common"))
-    compileOnly("com.velocitypowered", "velocity-api", Versions.velocity)
-    annotationProcessor("com.velocitypowered", "velocity-api", Versions.velocity)
+    implementation(projects.viabackwardsCommon)
+    compileOnly(libs.velocity)
+    annotationProcessor(libs.velocity)
 }