diff --git a/src/main/java/dev/micle/loginprotection/network/MismatchedVersionException.java b/src/main/java/dev/micle/loginprotection/network/MismatchedVersionException.java
new file mode 100644
index 0000000..ee291b3
--- /dev/null
+++ b/src/main/java/dev/micle/loginprotection/network/MismatchedVersionException.java
@@ -0,0 +1,7 @@
+package dev.micle.loginprotection.network;
+
+public class MismatchedVersionException extends RuntimeException {
+    public MismatchedVersionException(String msg) {
+        super(msg);
+    }
+}