diff --git a/mainline/debian-otel/Dockerfile b/mainline/debian-otel/Dockerfile
index 4b551fc4..1aaa478f 100644
--- a/mainline/debian-otel/Dockerfile
+++ b/mainline/debian-otel/Dockerfile
@@ -21,7 +21,7 @@ RUN set -x; \
     && case "$dpkgArch" in \
         amd64|arm64) \
 # arches officialy built by upstream
-            echo "deb [signed-by=$NGINX_GPGKEY_PATH] https://nginx.org/packages/mainline/debian/ bookworm nginx" >> /etc/apt/sources.list.d/nginx.list \
+            echo "deb [signed-by=$NGINX_GPGKEY_PATH] https://nginx.org/packages/mainline/debian/ trixie nginx" >> /etc/apt/sources.list.d/nginx.list \
             && apt-get update \
             ;; \
         *) \
diff --git a/mainline/debian-perl/Dockerfile b/mainline/debian-perl/Dockerfile
index 37d0b871..03af9689 100644
--- a/mainline/debian-perl/Dockerfile
+++ b/mainline/debian-perl/Dockerfile
@@ -19,7 +19,7 @@ RUN set -x; \
     && case "$dpkgArch" in \
         amd64|arm64) \
 # arches officialy built by upstream
-            echo "deb [signed-by=$NGINX_GPGKEY_PATH] https://nginx.org/packages/mainline/debian/ bookworm nginx" >> /etc/apt/sources.list.d/nginx.list \
+            echo "deb [signed-by=$NGINX_GPGKEY_PATH] https://nginx.org/packages/mainline/debian/ trixie nginx" >> /etc/apt/sources.list.d/nginx.list \
             && apt-get update \
             ;; \
         *) \
diff --git a/mainline/debian/Dockerfile b/mainline/debian/Dockerfile
index 84b47aef..86ba18bc 100644
--- a/mainline/debian/Dockerfile
+++ b/mainline/debian/Dockerfile
@@ -3,15 +3,15 @@
 #
 # PLEASE DO NOT EDIT IT DIRECTLY.
 #
-FROM debian:bookworm-slim
+FROM debian:trixie-slim
 
 LABEL maintainer="NGINX Docker Maintainers <docker-maint@nginx.com>"
 
 ENV NGINX_VERSION   1.29.0
 ENV NJS_VERSION     0.9.0
-ENV NJS_RELEASE     1~bookworm
-ENV PKG_RELEASE     1~bookworm
-ENV DYNPKG_RELEASE  1~bookworm
+ENV NJS_RELEASE     1~trixie
+ENV PKG_RELEASE     1~trixie
+ENV DYNPKG_RELEASE  1~trixie
 
 RUN set -x \
 # create nginx user/group first, to be consistent throughout docker variants
@@ -48,7 +48,7 @@ RUN set -x \
     && case "$dpkgArch" in \
         amd64|arm64) \
 # arches officialy built by upstream
-            echo "deb [signed-by=$NGINX_GPGKEY_PATH] https://nginx.org/packages/mainline/debian/ bookworm nginx" >> /etc/apt/sources.list.d/nginx.list \
+            echo "deb [signed-by=$NGINX_GPGKEY_PATH] https://nginx.org/packages/mainline/debian/ trixie nginx" >> /etc/apt/sources.list.d/nginx.list \
             && apt-get update \
             ;; \
         *) \
diff --git a/update.sh b/update.sh
index e85d193f..f47386a1 100755
--- a/update.sh
+++ b/update.sh
@@ -50,7 +50,7 @@ declare -A dynpkg=(
 )
 
 declare -A debian=(
-    [mainline]='bookworm'
+    [mainline]='trixie'
     [stable]='bookworm'
 )