diff --git a/LibCpp2IL/Metadata/Il2CppMetadata.cs b/LibCpp2IL/Metadata/Il2CppMetadata.cs
index c8e15b74..98f976f9 100644
--- a/LibCpp2IL/Metadata/Il2CppMetadata.cs
+++ b/LibCpp2IL/Metadata/Il2CppMetadata.cs
@@ -62,9 +62,9 @@ public class Il2CppMetadata : ClassReadingBinaryReader
             }
 
             var version = BitConverter.ToInt32(bytes, 4);
-            if (version is < 24 or > 29)
+            if (version is < 24 or > 31)
             {
-                throw new FormatException("Unsupported metadata version found! We support 24-29, got " + version);
+                throw new FormatException("Unsupported metadata version found! We support 24-31, got " + version);
             }
 
             LibLogger.VerboseNewline($"\tIL2CPP Metadata Declares its version as {version}");
@@ -104,6 +104,11 @@ public class Il2CppMetadata : ClassReadingBinaryReader
                     actualVersion = 29.1f; //2022.1.0b7 introduces v29.1 which adds two new pointers to codereg
                 else
                     actualVersion = 29; //2021.3.0 introduces v29
+            } else if (version == 31)
+            {
+                //2022.3.33 introduces v31. Unity why would you bump this on a minor version.
+                //Adds one new field (return type token) to method def
+                actualVersion = 31;
             }
             else actualVersion = version;
 
diff --git a/LibCpp2IL/Metadata/Il2CppMethodDefinition.cs b/LibCpp2IL/Metadata/Il2CppMethodDefinition.cs
index 1f42deab..036a427b 100644
--- a/LibCpp2IL/Metadata/Il2CppMethodDefinition.cs
+++ b/LibCpp2IL/Metadata/Il2CppMethodDefinition.cs
@@ -13,6 +13,7 @@ public class Il2CppMethodDefinition
         public int nameIndex;
         public int declaringTypeIdx;
         public int returnTypeIdx;
+        [Version(Min = 31)] public uint returnParameterToken;
         public int parameterStart;
         [Version(Max = 24)] public int customAttributeIndex;
         public int genericContainerIndex;