diff --git a/common/src/main/java/org/embeddedt/modernfix/common/mixin/perf/resourcepacks/ReloadableResourceManagerMixin.java b/common/src/main/java/org/embeddedt/modernfix/common/mixin/perf/resourcepacks/ReloadableResourceManagerMixin.java
new file mode 100644
index 00000000..9a1db640
--- /dev/null
+++ b/common/src/main/java/org/embeddedt/modernfix/common/mixin/perf/resourcepacks/ReloadableResourceManagerMixin.java
@@ -0,0 +1,27 @@
+package org.embeddedt.modernfix.common.mixin.perf.resourcepacks;
+
+import net.minecraft.server.packs.PackResources;
+import net.minecraft.server.packs.resources.ReloadableResourceManager;
+import net.minecraft.util.Unit;
+import org.embeddedt.modernfix.ModernFix;
+import org.embeddedt.modernfix.resources.ICachingResourcePack;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Executor;
+
+@Mixin(ReloadableResourceManager.class)
+public class ReloadableResourceManagerMixin {
+    @Inject(method = "createReload", at = @At("HEAD"))
+    private void invalidateResourceCaches(Executor backgroundExecutor, Executor gameExecutor, CompletableFuture<Unit> waitingFor, List<PackResources> resourcePacks, CallbackInfoReturnable<?> cir) {
+        ModernFix.LOGGER.info("Invalidating pack caches");
+        for(PackResources pack : resourcePacks) {
+            if(pack instanceof ICachingResourcePack)
+                ((ICachingResourcePack)pack).invalidateCache();
+        }
+    }
+}
diff --git a/common/src/main/java/org/embeddedt/modernfix/resources/ICachingResourcePack.java b/common/src/main/java/org/embeddedt/modernfix/resources/ICachingResourcePack.java
new file mode 100644
index 00000000..a9e42bde
--- /dev/null
+++ b/common/src/main/java/org/embeddedt/modernfix/resources/ICachingResourcePack.java
@@ -0,0 +1,5 @@
+package org.embeddedt.modernfix.resources;
+
+public interface ICachingResourcePack {
+    void invalidateCache();
+}
diff --git a/fabric/src/main/java/org/embeddedt/modernfix/fabric/mixin/perf/fabric_resourcepacks/ModNioResourcePackMixin.java b/fabric/src/main/java/org/embeddedt/modernfix/fabric/mixin/perf/resourcepacks/ModNioResourcePackMixin.java
similarity index 89%
rename from fabric/src/main/java/org/embeddedt/modernfix/fabric/mixin/perf/fabric_resourcepacks/ModNioResourcePackMixin.java
rename to fabric/src/main/java/org/embeddedt/modernfix/fabric/mixin/perf/resourcepacks/ModNioResourcePackMixin.java
index 2819d00f..f52c70dd 100644
--- a/fabric/src/main/java/org/embeddedt/modernfix/fabric/mixin/perf/fabric_resourcepacks/ModNioResourcePackMixin.java
+++ b/fabric/src/main/java/org/embeddedt/modernfix/fabric/mixin/perf/resourcepacks/ModNioResourcePackMixin.java
@@ -1,10 +1,11 @@
-package org.embeddedt.modernfix.fabric.mixin.perf.fabric_resourcepacks;
+package org.embeddedt.modernfix.fabric.mixin.perf.resourcepacks;
 
 import net.fabricmc.fabric.impl.resource.loader.ModNioResourcePack;
 import net.fabricmc.loader.api.metadata.ModMetadata;
 import net.minecraft.server.packs.PackType;
 import org.embeddedt.modernfix.ModernFix;
 import org.embeddedt.modernfix.annotation.RequiresMod;
+import org.embeddedt.modernfix.resources.ICachingResourcePack;
 import org.embeddedt.modernfix.resources.PackResourcesCacheEngine;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
@@ -21,7 +22,7 @@ import java.util.Set;
 
 @Mixin(ModNioResourcePack.class)
 @RequiresMod("fabric-resource-loader-v0")
-public abstract class ModNioResourcePackMixin {
+public abstract class ModNioResourcePackMixin implements ICachingResourcePack {
     @Shadow public abstract Set<String> getNamespaces(PackType type);
 
     @Shadow @Final private List<Path> basePaths;
@@ -30,6 +31,12 @@ public abstract class ModNioResourcePackMixin {
 
     @Inject(method = "<init>", at = @At("RETURN"))
     private void cacheResources(CallbackInfo ci) {
+        invalidateCache();
+    }
+
+    @Override
+    public void invalidateCache() {
+        this.cacheEngine = null;
         if(this.basePaths.size() == 1) {
             Path basePath = this.basePaths.get(0);
             this.cacheEngine = new PackResourcesCacheEngine(this::getNamespaces, (type, namespace) -> {
diff --git a/forge/src/main/java/org/embeddedt/modernfix/forge/mixin/perf/resourcepacks/ModFileResourcePackMixin.java b/forge/src/main/java/org/embeddedt/modernfix/forge/mixin/perf/resourcepacks/ModFileResourcePackMixin.java
index 08c67bba..bb6c7d8c 100644
--- a/forge/src/main/java/org/embeddedt/modernfix/forge/mixin/perf/resourcepacks/ModFileResourcePackMixin.java
+++ b/forge/src/main/java/org/embeddedt/modernfix/forge/mixin/perf/resourcepacks/ModFileResourcePackMixin.java
@@ -3,6 +3,7 @@ package org.embeddedt.modernfix.forge.mixin.perf.resourcepacks;
 import net.minecraft.server.packs.PackType;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraftforge.resource.PathResourcePack;
+import org.embeddedt.modernfix.resources.ICachingResourcePack;
 import org.embeddedt.modernfix.resources.PackResourcesCacheEngine;
 import org.embeddedt.modernfix.util.PackTypeHelper;
 import org.spongepowered.asm.mixin.Mixin;
@@ -17,7 +18,7 @@ import java.util.*;
 import java.util.function.Predicate;
 
 @Mixin(PathResourcePack.class)
-public abstract class ModFileResourcePackMixin {
+public abstract class ModFileResourcePackMixin implements ICachingResourcePack {
     @Shadow public abstract Set<String> getNamespaces(PackType type);
 
     @Shadow protected abstract Path resolve(String... paths);
@@ -29,18 +30,26 @@ public abstract class ModFileResourcePackMixin {
         this.cacheEngine = null;
     }
 
-    private void generateResourceCache() {
+    private PackResourcesCacheEngine generateResourceCache() {
         synchronized (this) {
-            if(this.cacheEngine != null)
-                return;
-            this.cacheEngine = new PackResourcesCacheEngine(this::getNamespaces, (type, namespace) -> this.resolve(type.getDirectory(), namespace));
+            PackResourcesCacheEngine engine = this.cacheEngine;
+            if(engine != null)
+                return engine;
+            this.cacheEngine = engine = new PackResourcesCacheEngine(this::getNamespaces, (type, namespace) -> this.resolve(type.getDirectory(), namespace));
+            return engine;
         }
     }
 
+    @Override
+    public void invalidateCache() {
+        this.cacheEngine = null;
+    }
+
     @Inject(method = "getNamespaces", at = @At("HEAD"), cancellable = true)
     private void useCacheForNamespaces(PackType type, CallbackInfoReturnable<Set<String>> cir) {
-        if(cacheEngine != null) {
-            Set<String> namespaces = cacheEngine.getNamespaces(type);
+        PackResourcesCacheEngine engine = cacheEngine;
+        if(engine != null) {
+            Set<String> namespaces = engine.getNamespaces(type);
             if(namespaces != null)
                 cir.setReturnValue(namespaces);
         }
@@ -48,9 +57,9 @@ public abstract class ModFileResourcePackMixin {
 
     @Inject(method = "hasResource(Ljava/lang/String;)Z", at = @At(value = "HEAD"), cancellable = true)
     private void useCacheForExistence(String path, CallbackInfoReturnable<Boolean> cir) {
-        this.generateResourceCache();
-        if(cacheEngine != null)
-            cir.setReturnValue(this.cacheEngine.hasResource(path));
+        PackResourcesCacheEngine engine = this.generateResourceCache();
+        if(engine != null)
+            cir.setReturnValue(engine.hasResource(path));
     }
 
     /**
@@ -62,7 +71,6 @@ public abstract class ModFileResourcePackMixin {
     {
         if(!PackTypeHelper.isVanillaPackType(type) || this.cacheEngine == null)
             return;
-        this.generateResourceCache();
-        cir.setReturnValue(this.cacheEngine.getResources(type, resourceNamespace, pathIn, maxDepth, filter));
+        cir.setReturnValue(this.generateResourceCache().getResources(type, resourceNamespace, pathIn, maxDepth, filter));
     }
 }