diff --git a/steps/04_taxonomic_conversion_biom/Dockerfile b/steps/04_taxonomic_conversion_biom/Dockerfile
index 0cdcc61..2a011c0 100644
--- a/steps/04_taxonomic_conversion_biom/Dockerfile
+++ b/steps/04_taxonomic_conversion_biom/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.9-slim
+FROM python:3.14-slim
 
 WORKDIR /