diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 667c6043e..60e4681f4 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -39,8 +39,8 @@ cache:
 variables:
   FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/glib/fedora:v41.1"
   COVERITY_IMAGE: "registry.gitlab.gnome.org/gnome/glib/coverity:v7"
-  DEBIAN_IMAGE: "registry.gitlab.gnome.org/gnome/glib/debian-stable:v24"
-  DEBIAN_I386_IMAGE: "registry.gitlab.gnome.org/gnome/glib/debian-stable-i386:v4"
+  DEBIAN_IMAGE: "registry.gitlab.gnome.org/gnome/glib/debian-stable:v25"
+  DEBIAN_I386_IMAGE: "registry.gitlab.gnome.org/gnome/glib/debian-stable-i386:v5"
   ALPINE_IMAGE: "registry.gitlab.gnome.org/gnome/glib/alpine:v8"
   MINGW_IMAGE: "registry.gitlab.gnome.org/gnome/glib/mingw:v41.1"
   GOBJECT_INTROSPECTION_TAG: "1.80.1"
@@ -152,13 +152,10 @@ variables:
       if ! pkg-config --atleast-version "${GOBJECT_INTROSPECTION_TAG}" gobject-introspection-1.0; then
         mkdir -p gobject-introspection
         git clone --branch "${GOBJECT_INTROSPECTION_TAG}" https://gitlab.gnome.org/GNOME/gobject-introspection.git gobject-introspection
-        meson gobject-introspection gobject-introspection/build --prefix=/usr
+        meson setup gobject-introspection gobject-introspection/build --prefix=/usr
         sudo meson install -C gobject-introspection/build
+        rm -rf gobject-introspection
       fi
-  artifacts:
-    expire_in: 3 days
-    paths:
-      - gobject-introspection
 
 .build-linux:
   before_script:
@@ -295,6 +292,7 @@ fedora-x86_64:
 
 .build-debian:
   extends:
+    - .build-gobject-introspection
     - .build-linux
     - .with-git
   stage: build
@@ -302,6 +300,7 @@ fedora-x86_64:
   before_script:
     - !reference [".build-linux", "before_script"]
     - !reference [".with-git", "before_script"]
+    - !reference [".build-gobject-introspection", "before_script"]
   script:
     - meson setup ${MESON_COMMON_OPTIONS}
             --werror
@@ -311,6 +310,7 @@ fedora-x86_64:
             --libdir=lib
             -Dsystemtap=enabled
             -Ddtrace=enabled
+            -Dintrospection=enabled
             _build
     - meson compile -C _build
     - .gitlab-ci/run-tests.sh
diff --git a/.gitlab-ci/debian-stable.Dockerfile b/.gitlab-ci/debian-stable.Dockerfile
index 572e3bea6..cc2e760b4 100644
--- a/.gitlab-ci/debian-stable.Dockerfile
+++ b/.gitlab-ci/debian-stable.Dockerfile
@@ -3,6 +3,7 @@ FROM ${ARCHITECTURE_PREFIX}debian:bookworm
 
 RUN apt-get update -qq && apt-get install --no-install-recommends -qq -y \
     bindfs \
+    bison \
     black \
     clang \
     clang-tools \
@@ -12,6 +13,7 @@ RUN apt-get update -qq && apt-get install --no-install-recommends -qq -y \
     elfutils \
     findutils \
     flake8 \
+    flex \
     fuse \
     gcc \
     gdb \
@@ -32,18 +34,21 @@ RUN apt-get update -qq && apt-get install --no-install-recommends -qq -y \
     libmount-dev \
     libpcre2-dev \
     libselinux1-dev \
+    libunwind-dev \
     libxml2-utils \
     libxslt1-dev \
     libz3-dev \
     locales \
     ninja-build \
     python3 \
+    python3-dev \
     python3-pip \
     python3-setuptools \
     python3-wheel \
     reuse \
     shared-mime-info \
     shellcheck \
+    sudo \
     systemtap-sdt-dev \
     unzip \
     wget \
@@ -74,9 +79,12 @@ ENV LANG=C.UTF-8 LANGUAGE=C.UTF-8 LC_ALL=C.UTF-8
 
 RUN pip3 install --break-system-packages meson==1.4.2
 
+# Enable passwordless sudo for sudo users
+RUN echo "%sudo	ALL=(ALL:ALL)	NOPASSWD: ALL" > /etc/sudoers.d/sudo-nopasswd
+
 ARG HOST_USER_ID=5555
 ENV HOST_USER_ID ${HOST_USER_ID}
-RUN useradd -u $HOST_USER_ID -ms /bin/bash user
+RUN useradd -u $HOST_USER_ID -G sudo -ms /bin/bash user
 
 USER user
 WORKDIR /home/user