diff --git a/debian/Dockerfile b/debian/Dockerfile
index 234c2d6..a02b722 100644
--- a/debian/Dockerfile
+++ b/debian/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:12.5-slim@sha256:67f3931ad8cb1967beec602d8c0506af1e37e8d73c2a0b38b181ec5d8560d395 AS installer
+FROM debian:12.6-slim@sha256:f528891ab1aa484bf7233dbcc84f3c806c3e427571d75510a9d74bb5ec535b33 AS installer
 ENV PATH /usr/local/bin/texlive:$PATH
 WORKDIR /install-tl-unx
 RUN apt-get update
@@ -18,7 +18,7 @@ RUN tlmgr install \
   collection-latexextra \
   latexmk
 
-FROM debian:12.5-slim@sha256:67f3931ad8cb1967beec602d8c0506af1e37e8d73c2a0b38b181ec5d8560d395
+FROM debian:12.6-slim@sha256:f528891ab1aa484bf7233dbcc84f3c806c3e427571d75510a9d74bb5ec535b33
 ENV PATH /usr/local/bin/texlive:$PATH
 WORKDIR /workdir
 COPY --from=installer /usr/local/texlive /usr/local/texlive