diff --git a/images/fava/Dockerfile b/images/fava/Dockerfile
index 20a1d81..16c3b00 100644
--- a/images/fava/Dockerfile
+++ b/images/fava/Dockerfile
@@ -19,7 +19,7 @@ RUN set -eux; \
     find . -type f -name '*.py[c0]' -delete; \
     find . -type d -name "__pycache__" -delete;
 
-FROM python:3.12.6-slim AS build_env
+FROM python:3.13.1-slim AS build_env
 ARG BEANCOUNT_VERSION
 ENV PATH "/app/bin:$PATH"
 
@@ -44,7 +44,7 @@ RUN set -eux; \
     rm -r /app/share; \
     find /app -name __pycache__ -exec rm -rf -v {} +
 
-FROM python:3.12.6-slim
+FROM python:3.13.1-slim
 COPY --from=build_env /app /app
 
 # Default fava port number
diff --git a/images/python-script/Dockerfile b/images/python-script/Dockerfile
index 834c96c..ea7f12d 100644
--- a/images/python-script/Dockerfile
+++ b/images/python-script/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.12.6-slim-bookworm
+FROM python:3.13.1-slim-bookworm
 
 RUN set -e; \
     apt-get update -q; \