diff --git a/arclight-api/src/main/java/io/izzel/arclight/api/ArclightVersion.java b/arclight-api/src/main/java/io/izzel/arclight/api/ArclightVersion.java
index 7ba95701..4fae6199 100644
--- a/arclight-api/src/main/java/io/izzel/arclight/api/ArclightVersion.java
+++ b/arclight-api/src/main/java/io/izzel/arclight/api/ArclightVersion.java
@@ -7,6 +7,7 @@ public class ArclightVersion {
     public static final ArclightVersion v1_14 = new ArclightVersion("1.14.4", 1140, "v1_14_R1");
     public static final ArclightVersion v1_15 = new ArclightVersion("1.15.2", 1152, "v1_15_R1");
     public static final ArclightVersion v1_16 = new ArclightVersion("1.16.3", 1163, "v1_16_R2");
+    public static final ArclightVersion v1_16_4 = new ArclightVersion("1.16.4", 1164, "v1_16_R3");
 
     private final String name;
     private final int num;
diff --git a/arclight-common/src/main/java/io/izzel/arclight/common/mod/util/remapper/ArclightRedirectAdapter.java b/arclight-common/src/main/java/io/izzel/arclight/common/mod/util/remapper/ArclightRedirectAdapter.java
index 8ff2aca7..26624d34 100644
--- a/arclight-common/src/main/java/io/izzel/arclight/common/mod/util/remapper/ArclightRedirectAdapter.java
+++ b/arclight-common/src/main/java/io/izzel/arclight/common/mod/util/remapper/ArclightRedirectAdapter.java
@@ -72,6 +72,10 @@ public class ArclightRedirectAdapter implements PluginTransformer {
             method(Opcodes.INVOKESTATIC, Class.class, "forName", String.class, boolean.class, ClassLoader.class),
             method(Opcodes.INVOKESTATIC, ArclightReflectionHandler.class, "redirectForName", String.class, boolean.class, ClassLoader.class)
         )
+        .put(
+            method(Opcodes.INVOKEVIRTUAL, Package.class, "getName"),
+            method(Opcodes.INVOKESTATIC, ArclightReflectionHandler.class, "redirectPackageGetName", Package.class)
+        )
         .put(
             method(Opcodes.INVOKESTATIC, MethodType.class, "fromMethodDescriptorString", String.class, ClassLoader.class),
             method(Opcodes.INVOKESTATIC, ArclightReflectionHandler.class, "redirectFromDescStr", String.class, ClassLoader.class)
diff --git a/arclight-common/src/main/java/io/izzel/arclight/common/mod/util/remapper/generated/ArclightReflectionHandler.java b/arclight-common/src/main/java/io/izzel/arclight/common/mod/util/remapper/generated/ArclightReflectionHandler.java
index 5d54d9fd..61de69f4 100644
--- a/arclight-common/src/main/java/io/izzel/arclight/common/mod/util/remapper/generated/ArclightReflectionHandler.java
+++ b/arclight-common/src/main/java/io/izzel/arclight/common/mod/util/remapper/generated/ArclightReflectionHandler.java
@@ -1,5 +1,6 @@
 package io.izzel.arclight.common.mod.util.remapper.generated;
 
+import io.izzel.arclight.api.ArclightVersion;
 import io.izzel.arclight.api.Unsafe;
 import io.izzel.arclight.common.mod.util.remapper.ClassLoaderAdapter;
 import io.izzel.arclight.common.mod.util.remapper.ClassLoaderRemapper;
@@ -147,6 +148,16 @@ public class ArclightReflectionHandler extends ClassLoader {
         }
     }
 
+    // srg -> bukkit
+    public static String redirectPackageGetName(Package pkg) {
+        String name = pkg.getName();
+        if (name.startsWith(PREFIX)) {
+            return PREFIX + "server." + ArclightVersion.current().packageName();
+        } else {
+            return name;
+        }
+    }
+
     // bukkit -> srg
     public static MethodType redirectFromDescStr(String desc, ClassLoader classLoader) {
         String methodDesc = remapper.mapMethodDesc(desc);
diff --git a/arclight-forge-1.16/src/main/java/io/izzel/arclight/server/Main_1_16.java b/arclight-forge-1.16/src/main/java/io/izzel/arclight/server/Main_1_16.java
index 6de1d599..3982308a 100644
--- a/arclight-forge-1.16/src/main/java/io/izzel/arclight/server/Main_1_16.java
+++ b/arclight-forge-1.16/src/main/java/io/izzel/arclight/server/Main_1_16.java
@@ -12,7 +12,7 @@ public class Main_1_16 extends ArclightMain {
 
     @Override
     protected void afterSetup() throws Throwable {
-        ArclightVersion.setVersion(ArclightVersion.v1_16);
+        ArclightVersion.setVersion(ArclightVersion.v1_16_4);
         ForgeInstaller.install();
     }
 }