diff --git a/images/comics-metadata-agent/Dockerfile b/images/comics-metadata-agent/Dockerfile
index f2268a7..4039da6 100644
--- a/images/comics-metadata-agent/Dockerfile
+++ b/images/comics-metadata-agent/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.14-alpine3.24@sha256:601e99e090cb08c2784a42395487709500bc39930307fe72f3f11a8f3c430762 AS builder
+FROM python:3.15-alpine3.24@sha256:d44b1254cb92329418d164b22b20d86bbd3869d48e80e09e476531a409a728bb AS builder
 RUN apk add --no-cache gcc g++ musl-dev pkgconf \
     jpeg-dev zlib-dev libpng-dev libwebp-dev icu-dev
 COPY requirements.txt .
@@ -11,7 +11,7 @@ RUN set -eu; \
     site=$(echo /install/lib/python*/site-packages); \
     PYTHONPATH="$site" python -m unittest discover -p "test_*.py"
 
-FROM python:3.14-alpine3.24@sha256:601e99e090cb08c2784a42395487709500bc39930307fe72f3f11a8f3c430762
+FROM python:3.15-alpine3.24@sha256:d44b1254cb92329418d164b22b20d86bbd3869d48e80e09e476531a409a728bb
 RUN apk add --no-cache jpeg zlib libpng libwebp icu-libs
 COPY --from=builder /install /usr/local
 ENV PYTHONUNBUFFERED=1
diff --git a/images/comictagger/Dockerfile b/images/comictagger/Dockerfile
index 7bb5672..c4cb7d2 100644
--- a/images/comictagger/Dockerfile
+++ b/images/comictagger/Dockerfile
@@ -1,9 +1,9 @@
-FROM python:3.14-alpine3.24@sha256:601e99e090cb08c2784a42395487709500bc39930307fe72f3f11a8f3c430762 AS builder
+FROM python:3.15-alpine3.24@sha256:d44b1254cb92329418d164b22b20d86bbd3869d48e80e09e476531a409a728bb AS builder
 RUN apk add --no-cache icu-dev g++ pkgconf
 COPY requirements.txt .
 RUN pip install --no-cache-dir --prefix=/install -r requirements.txt
 
-FROM python:3.14-alpine3.24@sha256:601e99e090cb08c2784a42395487709500bc39930307fe72f3f11a8f3c430762
+FROM python:3.15-alpine3.24@sha256:d44b1254cb92329418d164b22b20d86bbd3869d48e80e09e476531a409a728bb
 RUN apk add --no-cache icu-libs
 COPY --from=builder /install /usr/local
 # Nothing declares a supported comictagger range for the talker, and nothing
diff --git a/images/ebook-metadata/Dockerfile b/images/ebook-metadata/Dockerfile
index f3136e6..1c60035 100644
--- a/images/ebook-metadata/Dockerfile
+++ b/images/ebook-metadata/Dockerfile
@@ -1,9 +1,9 @@
-FROM python:3.14-alpine3.24@sha256:601e99e090cb08c2784a42395487709500bc39930307fe72f3f11a8f3c430762 AS builder
+FROM python:3.15-alpine3.24@sha256:d44b1254cb92329418d164b22b20d86bbd3869d48e80e09e476531a409a728bb AS builder
 RUN apk add --no-cache gcc musl-dev libxml2-dev libxslt-dev
 COPY requirements.txt .
 RUN pip install --no-cache-dir --prefix=/install -r requirements.txt
 
-FROM python:3.14-alpine3.24@sha256:601e99e090cb08c2784a42395487709500bc39930307fe72f3f11a8f3c430762
+FROM python:3.15-alpine3.24@sha256:d44b1254cb92329418d164b22b20d86bbd3869d48e80e09e476531a409a728bb
 RUN apk add --no-cache libxml2 libxslt
 COPY --from=builder /install /usr/local
 ENV PYTHONUNBUFFERED=1
diff --git a/images/epub2cbz/Dockerfile b/images/epub2cbz/Dockerfile
index 172770e..ae4a30f 100644
--- a/images/epub2cbz/Dockerfile
+++ b/images/epub2cbz/Dockerfile
@@ -1,3 +1,3 @@
-FROM python:3.14-alpine3.24@sha256:601e99e090cb08c2784a42395487709500bc39930307fe72f3f11a8f3c430762
+FROM python:3.15-alpine3.24@sha256:d44b1254cb92329418d164b22b20d86bbd3869d48e80e09e476531a409a728bb
 ENV PYTHONUNBUFFERED=1
 COPY epub2cbz.py /app/epub2cbz.py
diff --git a/images/humble-sorter/Dockerfile b/images/humble-sorter/Dockerfile
index 3129aae..681b5c3 100644
--- a/images/humble-sorter/Dockerfile
+++ b/images/humble-sorter/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.14-alpine3.24@sha256:601e99e090cb08c2784a42395487709500bc39930307fe72f3f11a8f3c430762
+FROM python:3.15-alpine3.24@sha256:d44b1254cb92329418d164b22b20d86bbd3869d48e80e09e476531a409a728bb
 ENV PYTHONUNBUFFERED=1
 ENV PYTHONDONTWRITEBYTECODE=1
 COPY humble_sorter.py /app/humble_sorter.py
diff --git a/images/kobo-book-downloader/Dockerfile b/images/kobo-book-downloader/Dockerfile
index bd12fe0..f0f9c99 100644
--- a/images/kobo-book-downloader/Dockerfile
+++ b/images/kobo-book-downloader/Dockerfile
@@ -1,4 +1,4 @@
-FROM python:3.14-alpine3.24@sha256:601e99e090cb08c2784a42395487709500bc39930307fe72f3f11a8f3c430762 AS builder
+FROM python:3.15-alpine3.24@sha256:d44b1254cb92329418d164b22b20d86bbd3869d48e80e09e476531a409a728bb AS builder
 
 WORKDIR /app
 RUN apk add --no-cache git
@@ -9,7 +9,7 @@ RUN git clone https://github.com/TnS-hun/kobo-book-downloader.git . \
     && git checkout "$KOBO_REF"
 RUN pip install --no-cache-dir --target=/app/deps -r requirements.txt
 
-FROM python:3.14-alpine3.24@sha256:601e99e090cb08c2784a42395487709500bc39930307fe72f3f11a8f3c430762
+FROM python:3.15-alpine3.24@sha256:d44b1254cb92329418d164b22b20d86bbd3869d48e80e09e476531a409a728bb
 
 WORKDIR /app
 COPY --from=builder /app /app