diff --git a/Dockerfile b/Dockerfile
index 848fd0f..6eda6d7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,18 +8,18 @@ RUN apt-get update && apt-get install -y git screen cmake && rm -rf /var/lib/apt
 
 # Clone and build DeepGEMM with NVFP4 mega_moe kernel
 # CACHE_BUSTER: increment to force fresh clone
-RUN git clone -b nvfp4-mega-moe https://sweetapi.com/biondizzle/DeepGEMM.git /root/DeepGEMM && CACHE_BUSTER=33
+RUN git clone -b nvfp4-mega-moe https://sweetapi.com/biondizzle/DeepGEMM.git /root/DeepGEMM && PATCH_CACHE_BUSTER=69
 
 # Build DeepGEMM with proper CUDA/NVRTC paths
 ENV CPATH="/usr/local/lib/python3.12/dist-packages/flashinfer/data/cutlass/include:/usr/local/lib/python3.12/dist-packages/nvidia/cu13/include:/usr/local/cuda-13.0/include:${CPATH}"
 ENV PYTHONPATH="/root/DeepGEMM:${PYTHONPATH}"
 # NVRTC lives in the pip nvidia/cu13 package, but the linker expects it in cuda/lib64
 # Create a symlink so -lnvrtc resolves
-RUN ln -sf /usr/local/lib/python3.12/dist-packages/nvidia/cu13/lib/libnvrtc.so.13 /usr/local/cuda/lib64/libnvrtc.so
-RUN cd /root/DeepGEMM && python3 setup.py build_ext --inplace
+RUN ln -sf /usr/local/lib/python3.12/dist-packages/nvidia/cu13/lib/libnvrtc.so.13 /usr/local/cuda/lib64/libnvrtc.so && PATCH_CACHE_BUSTER=69
+RUN cd /root/DeepGEMM && python3 setup.py build_ext --inplace && PATCH_CACHE_BUSTER=69
 
 # Bust cache for patch changes — ARG before COPY ensures layer invalidation
-ARG PATCH_CACHE_BUSTER=33
+ARG PATCH_CACHE_BUSTER=69
 # Copy our DeepSeek V4 patch over vLLM's model file
 COPY patches/deepseek_v4.py /usr/local/lib/python3.12/dist-packages/vllm/model_executor/models/deepseek_v4.py