diff --git a/Dockerfile b/Dockerfile
index f255408..bec10e8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,12 @@
-FROM ubuntu:18.04
+FROM ubuntu:24.04
 
 COPY LICENSE README.md /
 
 RUN apt-get update && apt-get install -y \
-  clang-format-8 \
+  clang-format-18 \
   git \
   wget \
+  && apt-get clean \
   && cd /usr/bin && ln -s clang-format-8 clang-format
 
 RUN wget https://raw.githubusercontent.com/InsightSoftwareConsortium/ITK/master/Utilities/Maintenance/clang-format.bash \