diff --git a/README.md b/README.md
index 2dd3ac9..876f61a 100644
--- a/README.md
+++ b/README.md
@@ -52,3 +52,5 @@ RUN apt-get update \
     && pip install pygments \
     && rm -rf /var/lib/apt/lists/*
 ```
+
+Last updated: 2022-08-18