diff --git a/libc/utils/buildbot/Dockerfile b/libc/utils/buildbot/Dockerfile
index 8c497be6db0c..bdbdf5dba6c2 100644
--- a/libc/utils/buildbot/Dockerfile
+++ b/libc/utils/buildbot/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:10
+FROM debian:13
 
 # Installing dependencies.
 RUN dpkg --add-architecture i386