diff --git a/api/Dockerfile b/api/Dockerfile
index d3545d73837c94..8207c66f83795b 100644
--- a/api/Dockerfile
+++ b/api/Dockerfile
@@ -49,9 +49,7 @@ ENV TZ=UTC
 WORKDIR /app/api
 
 RUN \
-    # update Debian source list
-    echo "deb http://deb.debian.org/debian bookworm main" > /etc/apt/sources.list \
-    && apt-get update \
+    apt-get update \
     # Install dependencies
     && apt-get install -y --no-install-recommends \
         # basic environment