diff --git a/Dockerfile b/Dockerfile
index b97bbe3..ce76008 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,9 +3,15 @@ FROM python:3.11.0-slim-buster
 RUN apt-get -qq update \
 	&& apt-get -qq install \
 		git \
-		shellcheck \
+		wget \
+		xz-utils \
 		gcc
 
+# Shellcheck
+ENV SHELLCHECK_VERSION=v0.10.0
+RUN wget -qO- "https://github.com/koalaman/shellcheck/releases/download/${SHELLCHECK_VERSION}/shellcheck-${SHELLCHECK_VERSION}.linux.x86_64.tar.xz" | tar -xJv --directory /opt
+ENV PATH="${PATH}:/opt/shellcheck-${SHELLCHECK_VERSION}"
+
 WORKDIR /usr/src
 
 COPY README.md README.md