diff --git a/.docker/lint/c-lint.Dockerfile b/.docker/lint/c-lint.Dockerfile
index 002be3d8..32c9032a 100644
--- a/.docker/lint/c-lint.Dockerfile
+++ b/.docker/lint/c-lint.Dockerfile
@@ -2,7 +2,7 @@ FROM python:3
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]
 
-RUN pip install -U pip
+RUN pip install --upgrade pip
 RUN pip install cpplint
 RUN apt update && apt install clang-format -y