diff --git a/docker/Dockerfile b/docker/Dockerfile
index e1f73e0..f075ebd 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -24,6 +24,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libopenjp2-7 \
     libsodium-dev \
     libssl-dev \
+    python3-dev \
     python3-libgpiod \
     zlib1g-dev \
     ### libsim for simulavr