diff --git a/docker/conda.dockerfile b/docker/conda.dockerfile
index 97fbd361..c95b94a3 100644
--- a/docker/conda.dockerfile
+++ b/docker/conda.dockerfile
@@ -1,4 +1,4 @@
-ARG BASE=python:3.7
+ARG BASE=python:3.13.0a4
 FROM ${BASE}
 
 RUN apt-get update --fix-missing \