diff --git a/Dockerfile b/Dockerfile
index 46089824..c5fb0f12 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -85,7 +85,7 @@ FROM pytorch-install as kernel-builder
 ARG MAX_JOBS=8
 
 RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends \
-        ninja-build \
+        ninja-build cmake \
         && rm -rf /var/lib/apt/lists/*
 
 # Build Flash Attention CUDA kernels