diff --git a/docs/Dockerfile b/docs/Dockerfile
index 191b2ce070..026ee9fe1d 100644
--- a/docs/Dockerfile
+++ b/docs/Dockerfile
@@ -1,5 +1,5 @@
 # version 9.5.2
 FROM squidfunk/mkdocs-material@sha256:9919d6ee948705ce6cd05e5bc0848af47de4f037afd7c3b91e776e7b119618a4
 
-ADD requirements.txt /tmp/
+COPY requirements.txt /tmp/
 RUN pip install --require-hashes -r /tmp/requirements.txt
\ No newline at end of file