diff --git a/bowtie/tests/fauxmplementations/envsonschema/Dockerfile b/bowtie/tests/fauxmplementations/envsonschema/Dockerfile
index de99b84a8..f42983aee 100644
--- a/bowtie/tests/fauxmplementations/envsonschema/Dockerfile
+++ b/bowtie/tests/fauxmplementations/envsonschema/Dockerfile
@@ -1,3 +1,3 @@
-FROM python:3.13.2-alpine
+FROM python:3.13.3-alpine
 COPY envsonschema /usr/local/bin
 CMD ["/usr/local/bin/envsonschema"]