diff --git a/Project.toml b/Project.toml
index 3e82388..2641079 100644
--- a/Project.toml
+++ b/Project.toml
@@ -4,7 +4,7 @@ authors = ["murrellb <murrellb@gmail.com> and contributors"]
 version = "1.1.0-DEV"
 
 [deps]
-Accessors = "7d9f7c33-5ae7-4f3b-8dc6-eff91059b697"
+ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
 Flux = "587475ba-b771-5e3f-ad9e-33799f191a9c"
 HuggingFaceTokenizers = "a6888d44-1185-43bb-bd0f-7806f9976d18"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
@@ -23,19 +23,19 @@ HuggingFaceTokenizers = {rev = "main", url = "https://github.com/MurrellGroup/Hu
 MetalExt = "Metal"
 
 [compat]
-Accessors = "0.1.38"
+ChainRulesCore = "1.25.0"
 Flux = "0.14, 0.15"
-LogitSamplers = "0.1"
-LowRankLayers = "0.1"
+LogitSamplers = "0.1.0"
+LowRankLayers = "0.1.2"
 Metal = "1"
 NNlib = "0.9"
 SafeTensors = "1"
 julia = "1.11"
 
 [extras]
-Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Downloads = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
 JSON3 = "0f8b85d8-7281-11e9-16c2-39a750bddbf1"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
 test = ["Test", "Downloads", "JSON3"]
diff --git a/src/Jjama3.jl b/src/Jjama3.jl
index 930cabb..af04e8d 100644
--- a/src/Jjama3.jl
+++ b/src/Jjama3.jl
@@ -6,6 +6,7 @@ using LinearAlgebra
 using NNlib
 using LogitSamplers
 using LowRankLayers
+#using ChainRulesCore
 
 using HuggingFaceTokenizers: HuggingFaceTokenizers, Tokenizer
 
@@ -25,6 +26,8 @@ export Transformer
 export unrope
 export rerope_cache!
 
+#include("sdpa.jl")
+
 include("model.jl")
 export forward_loss
 export forward_inference
diff --git a/src/layers.jl b/src/layers.jl
index 7b2ff9f..fca2f81 100644
--- a/src/layers.jl
+++ b/src/layers.jl
@@ -101,16 +101,16 @@ function unrope(rope, x)
     )
 end
 
-struct Attention{Q<:AnyDense,K<:AnyDense,V<:AnyDense,O<:AnyDense,C<:KVCache}
-    wq::Q
-    wk::K
-    wv::V
-    wo::O
+mutable struct Attention
+    wq::AnyDense
+    wk::AnyDense
+    wv::AnyDense
+    wo::AnyDense
     dim::Int
     n_heads::Int
     n_kv_heads::Int
     head_dim::Int
-    cache::C
+    cache::KVCache
 end
 
 Flux.@layer Attention trainable=(wq,wv)
diff --git a/src/model.jl b/src/model.jl
index ec8f96a..dbbebdb 100644
--- a/src/model.jl
+++ b/src/model.jl
@@ -91,4 +91,4 @@ end
 
 # compat
 forward_inference(model, args...) = model(args...)
-forward_loss(model::Transformer, inputs::AbstractArray, targets::AbstractArray; clear_cache = true, loss_mask = nothing) = loss(forward(model, inputs; clear_cache = clear_cache), targets; loss_mask = loss_mask)
+forward_loss(model::Transformer, inputs::AbstractArray, targets::AbstractArray; clear_cache = true, loss_mask = nothing) = loss(model(inputs, clear_cache = clear_cache), targets, loss_mask = loss_mask)
diff --git a/src/utils.jl b/src/utils.jl
index 04ad197..e6b76f2 100644
--- a/src/utils.jl
+++ b/src/utils.jl
@@ -1,5 +1,3 @@
-using Accessors
-
 encode(tkn::Tokenizer, str; kwargs...) = HuggingFaceTokenizers.encode(tkn, str; kwargs...).ids .+ 1
 decode(tkn::Tokenizer, ids; kwargs...) = HuggingFaceTokenizers.decode(tkn, ids .- 1; kwargs...)
 
@@ -162,37 +160,37 @@ function load_llama3_from_safetensors(
     if !isempty(add_lora_to)
         if :Q in add_lora_to
             for layer in model.layers
-                @reset layer.attention.wq = LoRADense(layer.attention.wq, lora_dim)
+                layer.attention.wq = LoRADense(layer.attention.wq, lora_dim)
             end
         end
         if :K in add_lora_to
             for layer in model.layers
-                @reset layer.attention.wk = LoRADense(layer.attention.wk, lora_dim)
+                layer.attention.wk = LoRADense(layer.attention.wk, lora_dim)
             end
         end
         if :V in add_lora_to
             for layer in model.layers
-                @reset layer.attention.wv = LoRADense(layer.attention.wv, lora_dim)
+                layer.attention.wv = LoRADense(layer.attention.wv, lora_dim)
             end
         end
         if :O in add_lora_to
             for layer in model.layers
-                @reset layer.attention.wo = LoRADense(layer.attention.wo, lora_dim)
+                layer.attention.wo = LoRADense(layer.attention.wo, lora_dim)
             end
         end
         if :w1 in add_lora_to
             for layer in model.layers
-                @reset layer.feed_forward.w1 = LoRADense(layer.feed_forward.w1, lora_dim)
+                layer.feed_forward.w1 = LoRADense(layer.feed_forward.w1, lora_dim)
             end
         end
         if :w2 in add_lora_to
             for layer in model.layers
-                @reset layer.feed_forward.w2 = LoRADense(layer.feed_forward.w2, lora_dim)
+                layer.feed_forward.w2 = LoRADense(layer.feed_forward.w2, lora_dim)
             end
         end
         if :w3 in add_lora_to
             for layer in model.layers
-                @reset layer.feed_forward.w3 = LoRADense(layer.feed_forward.w3, lora_dim)
+                layer.feed_forward.w3 = LoRADense(layer.feed_forward.w3, lora_dim)
             end
         end
     end