diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index 62f401fb5..648ab1c49 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/adventure/build.gradle.kts b/adventure/build.gradle.kts
index 25507aca1..cdb8fd142 100644
--- a/adventure/build.gradle.kts
+++ b/adventure/build.gradle.kts
@@ -1,9 +1,11 @@
 import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
-import com.github.jengelman.gradle.plugins.shadow.ShadowPlugin
+
+plugins {
+    id("com.github.johnrengelman.shadow")
+}
 
 // Shade and relocate adventure in an extra module, so that common/the rest can directly depend on a
 // relocated adventure without breaking native platform's adventure usage with project wide relocation
-apply<ShadowPlugin>()
 tasks {
     withType<ShadowJar> {
         relocate("net.kyori", "us.myles.viaversion.libs.kyori")
@@ -14,16 +16,10 @@ tasks {
 }
 
 dependencies {
-    api("net.kyori", "adventure-api", Versions.adventure) {
+    api(libs.bundles.adventure) {
         exclude("org.checkerframework")
-    }
-    api("net.kyori", "adventure-text-serializer-gson", Versions.adventure) {
         exclude("net.kyori", "adventure-api")
         exclude("net.kyori", "adventure-bom")
         exclude("com.google.code.gson", "gson")
     }
-    api("net.kyori", "adventure-text-serializer-legacy", Versions.adventure) {
-        exclude("net.kyori", "adventure-api")
-        exclude("net.kyori", "adventure-bom")
-    }
 }
\ No newline at end of file
diff --git a/api/build.gradle.kts b/api/build.gradle.kts
index aa1dc325c..561832205 100644
--- a/api/build.gradle.kts
+++ b/api/build.gradle.kts
@@ -1,5 +1,5 @@
 plugins {
-    id("net.kyori.blossom") version "1.2.0"
+    id("net.kyori.blossom")
 }
 
 blossom {
@@ -8,13 +8,15 @@ blossom {
 }
 
 dependencies {
-    api(project(":adventure", "shadow"))
-    api("it.unimi.dsi", "fastutil", Versions.fastUtil)
-    api("com.viaversion", "opennbt", Versions.openNBT)
-    api("com.google.code.gson", "gson", Versions.gson)
+    api(projects.adventure) {
+        targetConfiguration = "shadow"
+    }
+    api(libs.fastutil)
+    api(libs.openNBT)
+    api(libs.gson)
 
-    compileOnlyApi("org.yaml", "snakeyaml", Versions.snakeYaml)
-    compileOnlyApi("io.netty", "netty-all", Versions.netty)
-    compileOnlyApi("com.google.guava", "guava", Versions.guava)
-    compileOnlyApi("org.checkerframework", "checker-qual", Versions.checkerQual)
+    compileOnlyApi(libs.snakeYaml)
+    compileOnlyApi(libs.netty)
+    compileOnlyApi(libs.guava)
+    compileOnlyApi(libs.checkerQual)
 }
diff --git a/build.gradle.kts b/build.gradle.kts
index 9d15bdfe9..8571668f2 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 {
@@ -31,21 +32,6 @@ subprojects {
         }
     }
 
-    val platforms = listOf(
-        "bukkit",
-        "bungee",
-        "fabric",
-        "sponge",
-        "velocity"
-    ).map { "viaversion-$it" }
-    if (platforms.contains(project.name)) {
-        configureShadowJar()
-    } else if (project.name == "viaversion-api") {
-        configureShadowJarAPI()
-    } else if (project.name == "viaversion") {
-        apply<ShadowPlugin>()
-    }
-
     repositories {
         maven("https://repo.viaversion.com")
         maven("https://papermc.io/repo/repository/maven-public/")
@@ -53,20 +39,18 @@ subprojects {
         maven("https://nexus.velocitypowered.com/repository/velocity-artifacts-snapshots/")
         maven("https://repo.spongepowered.org/repository/maven-public/")
         maven("https://libraries.minecraft.net")
-        maven("https://repo.maven.apache.org/maven2/")
+        mavenCentral()
     }
 
     dependencies {
         // Note: If manually starting tests doesn't work for you in IJ, change 'Gradle -> Run Tests Using' to 'IntelliJ IDEA'
-        testImplementation("io.netty", "netty-all", Versions.netty)
-        testImplementation("com.google.guava", "guava", Versions.guava)
-        testImplementation("org.junit.jupiter", "junit-jupiter-api", Versions.jUnit)
-        testImplementation("org.junit.jupiter", "junit-jupiter-engine", Versions.jUnit)
+        testImplementation(rootProject.libs.netty)
+        testImplementation(rootProject.libs.guava)
+        testImplementation(rootProject.libs.bundles.junit)
     }
 
+    configureJavaTarget(8)
     java {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
         withSourcesJar()
         withJavadocJar()
     }
@@ -96,6 +80,18 @@ subprojects {
     }
 }
 
+sequenceOf(
+    projects.viaversionBukkit,
+    projects.viaversionBungee,
+    projects.viaversionFabric,
+    projects.viaversionSponge,
+    projects.viaversionVelocity
+).map { it.dependencyProject }.forEach { project ->
+    project.configureShadowJar()
+}
+
+projects.viaversionApi.dependencyProject.configureShadowJarAPI()
+
 tasks {
     // root project has no useful artifacts
     withType<Jar> {
diff --git a/buildSrc/src/main/kotlin/Versions.kt b/buildSrc/src/main/kotlin/Versions.kt
deleted file mode 100644
index 2b46ae456..000000000
--- a/buildSrc/src/main/kotlin/Versions.kt
+++ /dev/null
@@ -1,24 +0,0 @@
-object Versions {
-    // Common compiled
-    const val adventure = "4.7.0"
-    const val gson = "2.8.6"
-    const val fastUtil = "8.3.1"
-    const val openNBT = "2.0-SNAPSHOT"
-    const val javassist = "3.27.0-GA"
-
-    // Common provided
-    const val netty = "4.0.20.Final"
-    const val guava = "17.0"
-    const val snakeYaml = "1.18"
-
-    const val jUnit = "5.6.3"
-    const val checkerQual = "3.12.0"
-
-    // Platforms
-    const val paper = "1.16.5-R0.1-SNAPSHOT"
-    const val legacyBukkit = "1.8.8-R0.1-SNAPSHOT"
-    const val bungee = "1.16-R0.5-SNAPSHOT"
-    const val sponge = "5.0.0"
-    const val legacySponge = "4.0.0"
-    const val velocity = "1.1.0-SNAPSHOT"
-}
diff --git a/buildSrc/src/main/kotlin/extensions.kt b/buildSrc/src/main/kotlin/extensions.kt
index 719a7b65e..66807bc62 100644
--- a/buildSrc/src/main/kotlin/extensions.kt
+++ b/buildSrc/src/main/kotlin/extensions.kt
@@ -1,8 +1,11 @@
 import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
 import com.github.jengelman.gradle.plugins.shadow.ShadowPlugin
+import org.gradle.api.JavaVersion
 import org.gradle.api.Project
+import org.gradle.api.plugins.JavaPluginConvention
 import org.gradle.jvm.tasks.Jar
 import org.gradle.kotlin.dsl.apply
+import org.gradle.kotlin.dsl.configure
 import org.gradle.kotlin.dsl.invoke
 import org.gradle.kotlin.dsl.withType
 import java.io.ByteArrayOutputStream
@@ -88,3 +91,10 @@ fun Project.latestCommitHash(): String {
     }
     return byteOut.toString(Charsets.UTF_8.name()).trim()
 }
+
+fun Project.configureJavaTarget(version: Int) {
+    configure<JavaPluginConvention> {
+        sourceCompatibility = JavaVersion.toVersion(version)
+        targetCompatibility = JavaVersion.toVersion(version)
+    }
+}
diff --git a/bukkit-legacy/build.gradle.kts b/bukkit-legacy/build.gradle.kts
index 02ec02b02..c69bdfe8f 100644
--- a/bukkit-legacy/build.gradle.kts
+++ b/bukkit-legacy/build.gradle.kts
@@ -1,6 +1,6 @@
 dependencies {
-    implementation(project(":viaversion-common"))
-    compileOnly("org.bukkit", "bukkit", Versions.legacyBukkit) {
+    implementation(projects.viaversionCommon)
+    compileOnly(libs.legacyBukkit) {
         exclude("junit", "junit")
         exclude("com.google.code.gson", "gson")
         exclude("javax.persistence", "persistence-api")
diff --git a/bukkit/build.gradle.kts b/bukkit/build.gradle.kts
index b23b4cad2..3affbc8e2 100644
--- a/bukkit/build.gradle.kts
+++ b/bukkit/build.gradle.kts
@@ -1,8 +1,8 @@
 dependencies {
-    implementation(project(":viaversion-bukkit-legacy"))
-    implementation(project(":viaversion-common"))
-    implementation("org.javassist", "javassist", Versions.javassist)
-    compileOnly("com.destroystokyo.paper", "paper-api", Versions.paper) {
+    implementation(projects.viaversionBukkitLegacy)
+    implementation(projects.viaversionCommon)
+    implementation(libs.javassist)
+    compileOnly(libs.paper) {
         exclude("junit", "junit")
         exclude("com.google.code.gson", "gson")
         exclude("javax.persistence", "persistence-api")
diff --git a/bungee/build.gradle.kts b/bungee/build.gradle.kts
index 150642d56..12469ce8c 100644
--- a/bungee/build.gradle.kts
+++ b/bungee/build.gradle.kts
@@ -1,7 +1,7 @@
 dependencies {
-    implementation(project(":viaversion-common"))
-    implementation(project(":java-compat"))
-    compileOnly("net.md-5", "bungeecord-api", Versions.bungee)
+    implementation(projects.viaversionCommon)
+    implementation(projects.javaCompat)
+    compileOnly(libs.bungee)
 }
 
 configure<JavaPluginConvention> {
diff --git a/common/build.gradle.kts b/common/build.gradle.kts
index ef334d609..8d6ef9165 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 {
@@ -8,5 +8,5 @@ blossom {
 }
 
 dependencies {
-    api(project(":viaversion-api"))
+    api(projects.viaversionApi)
 }
diff --git a/fabric/build.gradle.kts b/fabric/build.gradle.kts
index 416fc0244..0dd230f83 100644
--- a/fabric/build.gradle.kts
+++ b/fabric/build.gradle.kts
@@ -1,3 +1,3 @@
 dependencies {
-    implementation(project(":viaversion-common"))
+    implementation(projects.viaversionCommon)
 }
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
new file mode 100644
index 000000000..d47f401f9
--- /dev/null
+++ b/gradle/libs.versions.toml
@@ -0,0 +1,58 @@
+metadata.format.version = "1.0"
+
+[versions]
+
+adventure = "4.7.0"
+gson = "2.8.6"
+fastutil = "8.3.1"
+openNBT = "2.0-SNAPSHOT"
+javassist = "3.27.0-GA"
+
+# Common provided
+netty = "4.0.20.Final"
+guava = "17.0"
+snakeYaml = "1.18"
+
+junit = "5.6.3"
+checkerQual = "3.12.0"
+
+# Platforms
+paper = "1.16.5-R0.1-SNAPSHOT"
+legacyBukkit = "1.8.8-R0.1-SNAPSHOT"
+bungee = "1.16-R0.5-SNAPSHOT"
+sponge = "5.0.0"
+legacySponge = "4.0.0"
+velocity = "1.1.0-SNAPSHOT"
+
+
+[libraries]
+
+adventure-api = { group = "net.kyori", name = "adventure-api", version.ref = "adventure" }
+adventure-text-serializer-gson = { group = "net.kyori", name = "adventure-text-serializer-gson", version.ref = "adventure" }
+adventure-text-serializer-legacy = { group = "net.kyori", name = "adventure-text-serializer-legacy", version.ref = "adventure" }
+
+gson = { group = "com.google.code.gson", name = "gson", version.ref = "gson" }
+fastutil = { group = "it.unimi.dsi", name = "fastutil", version.ref = "fastutil" }
+openNBT = { group = "com.viaversion", name = "opennbt", version.ref = "openNBT" }
+javassist = { group = "org.javassist", name = "javassist", version.ref = "javassist" }
+
+netty = { group = "io.netty", name = "netty-all", version.ref = "netty" }
+guava = { group = "com.google.guava", name = "guava", version.ref = "guava" }
+snakeYaml = { group = "org.yaml", name = "snakeyaml", version.ref = "snakeYaml" }
+
+jupiter-api = { group = "org.junit.jupiter", name = "junit-jupiter-api", version.ref = "junit" }
+jupiter-engine = { group = "org.junit.jupiter", name = "junit-jupiter-engine", version.ref = "junit" }
+checkerQual = { group = "org.checkerframework", name = "checker-qual", version.ref = "checkerQual" }
+
+paper = { group = "com.destroystokyo.paper", name = "paper-api", version.ref = "paper" }
+legacyBukkit = { group = "org.bukkit", name = "bukkit", version.ref = "legacyBukkit" }
+bungee = { group = "net.md-5", name = "bungeecord-api", version.ref = "bungee" }
+sponge = { group = "org.spongepowered", name = "spongeapi", version.ref = "sponge" }
+legacySponge = { group = "org.spongepowered", name = "spongeapi", version.ref = "legacySponge" }
+velocity = { group = "com.velocitypowered", name = "velocity-api", version.ref = "velocity" }
+
+
+[bundles]
+
+adventure = ["adventure-api", "adventure-text-serializer-gson", "adventure-text-serializer-legacy"]
+junit = ["jupiter-api", "jupiter-engine"]
diff --git a/java-compat/build.gradle.kts b/java-compat/build.gradle.kts
index ed4e522b5..da0e6981f 100644
--- a/java-compat/build.gradle.kts
+++ b/java-compat/build.gradle.kts
@@ -1,8 +1,8 @@
 dependencies {
-    api(project(":java-compat:java-compat-common"))
-    api(project(":java-compat:java-compat-8"))
-    api(project(":java-compat:java-compat-9"))
-    api(project(":java-compat:java-compat-16"))
+    api(projects.javaCompat.javaCompatCommon)
+    api(projects.javaCompat.javaCompat8)
+    api(projects.javaCompat.javaCompat9)
+    api(projects.javaCompat.javaCompat16)
 }
 
 configure<JavaPluginConvention> {
diff --git a/java-compat/java-compat-16/build.gradle.kts b/java-compat/java-compat-16/build.gradle.kts
index cbea07999..eb1d78ded 100644
--- a/java-compat/java-compat-16/build.gradle.kts
+++ b/java-compat/java-compat-16/build.gradle.kts
@@ -1,10 +1,7 @@
 dependencies {
-    api(project(":java-compat:java-compat-common"))
+    api(projects.javaCompat.javaCompatCommon)
 }
 
-configure<JavaPluginConvention> {
-    // This is for Java 16, but the minimum required for this
-    // is actually just Java 9!
-    sourceCompatibility = JavaVersion.VERSION_1_9
-    targetCompatibility = JavaVersion.VERSION_1_9
-}
+// This is for Java 16, but the minimum required for this
+// is actually just Java 9!
+configureJavaTarget(9)
diff --git a/java-compat/java-compat-8/build.gradle.kts b/java-compat/java-compat-8/build.gradle.kts
index 6b8e88798..5480dcb03 100644
--- a/java-compat/java-compat-8/build.gradle.kts
+++ b/java-compat/java-compat-8/build.gradle.kts
@@ -1,3 +1,5 @@
 dependencies {
-    api(project(":java-compat:java-compat-common"))
+    api(projects.javaCompat.javaCompatCommon)
 }
+
+configureJavaTarget(8)
diff --git a/java-compat/java-compat-9/build.gradle.kts b/java-compat/java-compat-9/build.gradle.kts
index 01c8a8b7a..9966cb2dc 100644
--- a/java-compat/java-compat-9/build.gradle.kts
+++ b/java-compat/java-compat-9/build.gradle.kts
@@ -1,8 +1,5 @@
 dependencies {
-    api(project(":java-compat:java-compat-common"))
+    api(projects.javaCompat.javaCompatCommon)
 }
 
-configure<JavaPluginConvention> {
-    sourceCompatibility = JavaVersion.VERSION_1_9
-    targetCompatibility = JavaVersion.VERSION_1_9
-}
+configureJavaTarget(9)
diff --git a/settings.gradle.kts b/settings.gradle.kts
index f95032f6c..a29fef5a6 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -1,5 +1,8 @@
 rootProject.name = "viaversion-parent"
 
+enableFeaturePreview("TYPESAFE_PROJECT_ACCESSORS")
+enableFeaturePreview("VERSION_CATALOGS")
+
 include("adventure")
 include("java-compat", "java-compat:java-compat-common", "java-compat:java-compat-8",
     "java-compat:java-compat-9", "java-compat:java-compat-16")
diff --git a/sponge-legacy/build.gradle.kts b/sponge-legacy/build.gradle.kts
index 14f58dd81..54e6acef4 100644
--- a/sponge-legacy/build.gradle.kts
+++ b/sponge-legacy/build.gradle.kts
@@ -1,4 +1,4 @@
 dependencies {
-    implementation(project(":viaversion-common"))
-    compileOnly("org.spongepowered", "spongeapi", Versions.legacySponge)
+    implementation(projects.viaversionCommon)
+    compileOnly(libs.legacySponge)
 }
diff --git a/sponge/build.gradle.kts b/sponge/build.gradle.kts
index 9af9dbfd2..23fa2aad6 100644
--- a/sponge/build.gradle.kts
+++ b/sponge/build.gradle.kts
@@ -1,5 +1,5 @@
 dependencies {
-    implementation(project(":viaversion-sponge-legacy"))
-    implementation(project(":viaversion-common"))
-    compileOnly("org.spongepowered","spongeapi", Versions.sponge)
+    implementation(projects.viaversionSpongeLegacy)
+    implementation(projects.viaversionCommon)
+    compileOnly(libs.sponge)
 }
diff --git a/universal/build.gradle.kts b/universal/build.gradle.kts
index 58e15484e..911bb8f25 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("ViaVersion-${project.version}.jar")
         destinationDirectory.set(rootProject.projectDir.resolve("build/libs"))
         duplicatesStrategy = DuplicatesStrategy.EXCLUDE
-        arrayOf(
-            "bukkit",
-            "bungee",
-            "fabric",
-            "sponge",
-            "velocity"
-        ).forEach {
-            val subProject = rootProject.project(":viaversion-$it")
-            val shadowJarTask = subProject.tasks.getByName("shadowJar")
-            from(zipTree(shadowJarTask.outputs.files.singleFile))
+        sequenceOf(
+            rootProject.projects.viaversionBukkit,
+            rootProject.projects.viaversionBungee,
+            rootProject.projects.viaversionFabric,
+            rootProject.projects.viaversionSponge,
+            rootProject.projects.viaversionVelocity,
+        ).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 a36d9c65f..7c6781be4 100644
--- a/velocity/build.gradle.kts
+++ b/velocity/build.gradle.kts
@@ -1,5 +1,5 @@
 dependencies {
-    implementation(project(":viaversion-common"))
-    compileOnly("com.velocitypowered", "velocity-api", Versions.velocity)
-    annotationProcessor("com.velocitypowered", "velocity-api", Versions.velocity)
+    implementation(projects.viaversionCommon)
+    compileOnly(libs.velocity)
+    annotationProcessor(libs.velocity)
 }