diff --git a/build.gradle.kts b/build.gradle.kts
index 23e0ac4..6b4c473 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -5,13 +5,13 @@ plugins {
 allprojects { group = "io.gitlab.jfronny" }
 base.archivesName = "better-whitelist"
 
-val fabricVersion = "0.87.0+1.20.1"
-val muscriptVersion = "1.4-SNAPSHOT"
+val fabricVersion = "0.89.1+1.20.2"
+val muscriptVersion = "1.5-SNAPSHOT"
 jfMod {
-    minecraftVersion = "1.20.1"
-    yarn("build.10")
+    minecraftVersion = "1.20.2"
+    yarn("build.1")
     loaderVersion = "0.14.22"
-    libJfVersion = "3.12.1"
+    libJfVersion = "3.13.1"
 
     modrinth {
         projectId = "better-whitelist"
@@ -27,5 +27,5 @@ dependencies {
 
     // Dev env
     modLocalRuntime("io.gitlab.jfronny.libjf:libjf-devutil:${jfMod.libJfVersion.get()}")
-    modLocalRuntime("com.terraformersmc:modmenu:7.2.1")
+    modLocalRuntime("com.terraformersmc:modmenu:8.0.0-beta.2")
 }
diff --git a/src/client/java/io/gitlab/jfronny/betterwhitelist/client/BetterWhitelistClient.java b/src/client/java/io/gitlab/jfronny/betterwhitelist/client/BetterWhitelistClient.java
index 334b769..7c418cd 100644
--- a/src/client/java/io/gitlab/jfronny/betterwhitelist/client/BetterWhitelistClient.java
+++ b/src/client/java/io/gitlab/jfronny/betterwhitelist/client/BetterWhitelistClient.java
@@ -1,6 +1,7 @@
 package io.gitlab.jfronny.betterwhitelist.client;
 
 import io.gitlab.jfronny.betterwhitelist.BetterWhitelist;
+import io.gitlab.jfronny.muscript.compiler.MuScriptVersion;
 import io.gitlab.jfronny.muscript.compiler.Parser;
 import io.gitlab.jfronny.muscript.data.Scope;
 import io.gitlab.jfronny.muscript.data.dynamic.DCallable;
@@ -41,11 +42,11 @@ public class BetterWhitelistClient implements ClientModInitializer {
                     .toList());
             String scriptSource = buf.readString();
             BetterWhitelist.LOG.info("Received challenge: " + scriptSource);
-            DCallable script = Parser.parse(scriptSource).asDynamicExpr().get(fork).asCallable();
+            DCallable script = Parser.parse(MuScriptVersion.DEFAULT, scriptSource).asDynamicExpr().get(fork).asCallable();
             int paramSize = buf.readInt();
             List<Dynamic> params = new LinkedList<>();
             for (int i = 0; i < paramSize; i++) {
-                params.add(Parser.parse(buf.readString()).asDynamicExpr().get(fork));
+                params.add(Parser.parse(MuScriptVersion.DEFAULT, buf.readString()).asDynamicExpr().get(fork));
             }
             String resultString = Dynamic.serialize(script.call(DFinal.of(params)));
             BetterWhitelist.LOG.info("Sending result: " + resultString);
diff --git a/src/main/java/io/gitlab/jfronny/betterwhitelist/BetterWhitelist.java b/src/main/java/io/gitlab/jfronny/betterwhitelist/BetterWhitelist.java
index de53606..f810d72 100644
--- a/src/main/java/io/gitlab/jfronny/betterwhitelist/BetterWhitelist.java
+++ b/src/main/java/io/gitlab/jfronny/betterwhitelist/BetterWhitelist.java
@@ -1,7 +1,8 @@
 package io.gitlab.jfronny.betterwhitelist;
 
-import io.gitlab.jfronny.commons.log.Logger;
-import io.gitlab.jfronny.muscript.StandardLib;
+import io.gitlab.jfronny.commons.logging.Logger;
+import io.gitlab.jfronny.muscript.compiler.MuScriptVersion;
+import io.gitlab.jfronny.muscript.libs.StandardLib;
 import io.gitlab.jfronny.muscript.data.Scope;
 import io.gitlab.jfronny.muscript.data.dynamic.*;
 import io.gitlab.jfronny.muscript.data.dynamic.additional.DFinal;
@@ -23,7 +24,7 @@ public class BetterWhitelist {
     public static final Identifier CHALLENGE_CHANNEL = new Identifier(MOD_ID, "challenge");
     public static final int PROTOCOL_VERSION = 1;
     public static final ModMetadata MOD_METADATA = FabricLoader.getInstance().getModContainer(MOD_ID).orElseThrow().getMetadata();
-    public static final Scope SCOPE = StandardLib.createScope();
+    public static final Scope SCOPE = StandardLib.createScope(MuScriptVersion.DEFAULT);
 
     static {
         SCOPE.set("mods", FabricLoader.getInstance()
diff --git a/src/main/java/io/gitlab/jfronny/betterwhitelist/server/BetterWhitelistServer.java b/src/main/java/io/gitlab/jfronny/betterwhitelist/server/BetterWhitelistServer.java
index 3c55142..ad5d3bd 100644
--- a/src/main/java/io/gitlab/jfronny/betterwhitelist/server/BetterWhitelistServer.java
+++ b/src/main/java/io/gitlab/jfronny/betterwhitelist/server/BetterWhitelistServer.java
@@ -5,6 +5,7 @@ import com.mojang.brigadier.context.CommandContext;
 import io.gitlab.jfronny.betterwhitelist.BetterWhitelist;
 import io.gitlab.jfronny.betterwhitelist.server.mixin.ServerLoginNetworkHandlerAccessor;
 import io.gitlab.jfronny.commons.StringFormatter;
+import io.gitlab.jfronny.muscript.compiler.MuScriptVersion;
 import io.gitlab.jfronny.muscript.compiler.Parser;
 import io.gitlab.jfronny.muscript.data.Script;
 import io.gitlab.jfronny.muscript.data.dynamic.Dynamic;
@@ -162,7 +163,7 @@ public class BetterWhitelistServer implements DedicatedServerModInitializer {
                 }, mods::values()::filter({ v -> v.environment != 'server' })::map({ v -> { id = v.id, version = v.version } })))
                 """);
         String s = Files.readString(scriptPath);
-        this.script = Parser.parseScript(s);
+        this.script = Parser.parseScript(MuScriptVersion.DEFAULT, s);
         this.scriptSource = s;
     }
 }