diff --git a/ubuntu-24.04.docker.m4 b/ubuntu-24.04.docker.m4
index 5ac7766..085ce14 100644
--- a/ubuntu-24.04.docker.m4
+++ b/ubuntu-24.04.docker.m4
@@ -30,6 +30,7 @@ RUN apt-get update && \
     libglib2.0-dev \
     clang \
     clang-tools \
+    clang-format \
     pandoc \
     lcov \
     libcurl4-openssl-dev \