diff --git a/build.gradle b/build.gradle
index f996b800..41632fa8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -98,7 +98,7 @@ dependencies {
 	}
 
 	// tinyfile management
-	implementation ('dev.architectury:tiny-remapper:1.8.20') // TODO: Update
+	implementation ('dev.architectury:tiny-remapper:1.9.21')
 	implementation 'net.fabricmc:access-widener:2.1.0'
 	implementation 'net.fabricmc:mapping-io:0.2.1'
 
diff --git a/src/main/java/net/fabricmc/loom/configuration/mods/AccessWidenerAnalyzeVisitorProvider.java b/src/main/java/net/fabricmc/loom/configuration/mods/AccessWidenerAnalyzeVisitorProvider.java
index b59373d6..55503d74 100644
--- a/src/main/java/net/fabricmc/loom/configuration/mods/AccessWidenerAnalyzeVisitorProvider.java
+++ b/src/main/java/net/fabricmc/loom/configuration/mods/AccessWidenerAnalyzeVisitorProvider.java
@@ -27,6 +27,7 @@ package net.fabricmc.loom.configuration.mods;
 import java.io.IOException;
 import java.util.List;
 
+import dev.architectury.tinyremapper.TinyRemapper;
 import org.objectweb.asm.ClassVisitor;
 
 import net.fabricmc.accesswidener.AccessWidener;
@@ -34,15 +35,15 @@ import net.fabricmc.accesswidener.AccessWidenerClassVisitor;
 import net.fabricmc.accesswidener.AccessWidenerReader;
 import net.fabricmc.loom.configuration.mods.dependency.ModDependency;
 import net.fabricmc.loom.util.Constants;
-import net.fabricmc.tinyremapper.TinyRemapper;
+import net.fabricmc.loom.util.ModPlatform;
 
 public record AccessWidenerAnalyzeVisitorProvider(AccessWidener accessWidener) implements TinyRemapper.AnalyzeVisitorProvider {
-	static AccessWidenerAnalyzeVisitorProvider createFromMods(String namespace, List<ModDependency> mods) throws IOException {
+	static AccessWidenerAnalyzeVisitorProvider createFromMods(String namespace, List<ModDependency> mods, ModPlatform platform) throws IOException {
 		AccessWidener accessWidener = new AccessWidener();
 		accessWidener.visitHeader(namespace);
 
 		for (ModDependency mod : mods) {
-			final var accessWidenerData = AccessWidenerUtils.readAccessWidenerData(mod.getInputFile());
+			final var accessWidenerData = AccessWidenerUtils.readAccessWidenerData(mod.getInputFile(), platform);
 
 			if (accessWidenerData == null) {
 				continue;
diff --git a/src/main/java/net/fabricmc/loom/configuration/mods/ModProcessor.java b/src/main/java/net/fabricmc/loom/configuration/mods/ModProcessor.java
index ce3f8632..346b176b 100644
--- a/src/main/java/net/fabricmc/loom/configuration/mods/ModProcessor.java
+++ b/src/main/java/net/fabricmc/loom/configuration/mods/ModProcessor.java
@@ -168,7 +168,7 @@ public class ModProcessor {
 				.logUnknownInvokeDynamic(false)
 				.withMappings(TinyRemapperHelper.create(mappings, fromM, toM, false))
 				.renameInvalidLocals(false)
-				.extraAnalyzeVisitor(AccessWidenerAnalyzeVisitorProvider.createFromMods(fromM, remapList));
+				.extraAnalyzeVisitor(AccessWidenerAnalyzeVisitorProvider.createFromMods(fromM, remapList, extension.getPlatform().get()));
 
 		final KotlinClasspathService kotlinClasspathService = KotlinClasspathService.getOrCreateIfRequired(serviceManager, project);
 		KotlinRemapperClassloader kotlinRemapperClassloader = null;