diff --git a/Dockerfile_phanpy b/Dockerfile_phanpy
index b785deb..cbc10ef 100644
--- a/Dockerfile_phanpy
+++ b/Dockerfile_phanpy
@@ -5,7 +5,7 @@ RUN apk add git
 RUN cd / && \
     git clone https://github.com/cheeaun/phanpy.git && \
     cd phanpy && \
-    git checkout 2023.12.13.19da64a
+    git checkout 2023.12.31.8aa0542
 
 # builds to /phanpy/dist
 RUN cd /phanpy && \
diff --git a/README.md b/README.md
index 8a30c7b..6b13d38 100644
--- a/README.md
+++ b/README.md
@@ -6,10 +6,10 @@ This is an experiment. To build and run locally:
 docker build . -t phanpy:latest -f Dockerfile_phanpy
 ```
 
-To run the container:
+To run the container in the background:
 
 ```
-docker run -p 8000:80 -t phanpy:latest
+docker run -d -p 8000:80 -t phanpy:latest
 ```
 
 Now access Phanpy on http://localhost:8000