diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index b0e6c93bd..38d629b17 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -10,13 +10,14 @@ cache:
     - _ccache/
 
 variables:
-  FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/glib/fedora:v6"
+  FEDORA_IMAGE: "registry.gitlab.gnome.org/gnome/glib/fedora:v7"
   DEBIAN_IMAGE: "registry.gitlab.gnome.org/gnome/glib/debian-stable:v6"
   ANDROID_IMAGE: "registry.gitlab.gnome.org/gnome/glib/android-ndk:v2"
   MINGW_IMAGE: "registry.gitlab.gnome.org/gnome/glib/mingw:v2"
   MESON_TEST_TIMEOUT_MULTIPLIER: 2
   G_MESSAGES_DEBUG: all
-  MESON_COMMON_OPTIONS: "--buildtype debug --fatal-meson-warnings --wrap-mode=nodownload"
+  MESON_COMMON_OPTIONS_NO_WARNING: "--buildtype debug --wrap-mode=nodownload"
+  MESON_COMMON_OPTIONS: "${MESON_COMMON_OPTIONS_NO_WARNING} --fatal-meson-warnings"
 
 .only-default:
   only:
@@ -44,7 +45,10 @@ fedora-x86_64:
   variables:
     CFLAGS: "-coverage -ftest-coverage -fprofile-arcs"
   script:
-    - meson ${MESON_COMMON_OPTIONS}
+    # FIXME: Cannot use MESON_COMMON_OPTIONS here because meson warns about gtkdoc
+    # feature introduced in 0.52 but we only depends on 0.49. So we cannot build
+    # with --fatal-meson-warnings.
+    - meson ${MESON_COMMON_OPTIONS_NO_WARNING}
             --werror
             --default-library=both
             --prefix=$HOME/glib-installed
@@ -69,6 +73,15 @@ fedora-x86_64:
       - "_build/config.h"
       - "_build/glib/glibconfig.h"
       - "_build/meson-logs"
+      - "_build/docs/reference/glib/glib-undeclared.txt"
+      - "_build/docs/reference/glib/glib-undocumented.txt"
+      - "_build/docs/reference/glib/glib-unused.txt"
+      - "_build/docs/reference/gobject/gobject-undeclared.txt"
+      - "_build/docs/reference/gobject/gobject-undocumented.txt"
+      - "_build/docs/reference/gobject/gobject-unused.txt"
+      - "_build/docs/reference/gio/gio-undeclared.txt"
+      - "_build/docs/reference/gio/gio-undocumented.txt"
+      - "_build/docs/reference/gio/gio-unused.txt"
       - "_build/${CI_JOB_NAME}-report.xml"
       - "_coverage"
 
@@ -439,7 +452,9 @@ dist-job:
   only:
     - tags
   script:
-    - meson ${MESON_COMMON_OPTIONS} --buildtype release -Dgtk_doc=true -Dman=true _build
+    # FIXME: Cannot use --fatal-meson-warnings here because meson warns about gtkdoc
+    # feature introduced in 0.52 but we only depends on 0.49.
+    - meson ${MESON_COMMON_OPTIONS_NO_WARNING} --buildtype release -Dgtk_doc=true -Dman=true _build
     - cd _build
     - ninja dist
     - ninja glib-doc gobject-doc gio-doc
diff --git a/.gitlab-ci/fedora.Dockerfile b/.gitlab-ci/fedora.Dockerfile
index 0d5a84cdd..d323e473a 100644
--- a/.gitlab-ci/fedora.Dockerfile
+++ b/.gitlab-ci/fedora.Dockerfile
@@ -44,6 +44,7 @@ RUN dnf -y install \
     ninja-build \
     pcre-devel \
     python3-dbusmock \
+    python3-pygments \
     python3-wheel \
     shared-mime-info \
     systemtap-sdt-devel \
@@ -55,7 +56,7 @@ RUN dnf -y install \
     zlib-devel \
  && dnf clean all
 
-RUN pip3 install meson==0.49.2
+RUN pip3 install meson==0.52.1
 
 # Enable sudo for wheel users
 RUN sed -i -e 's/# %wheel/%wheel/' -e '0,/%wheel/{s/%wheel/# %wheel/}' /etc/sudoers
diff --git a/meson.build b/meson.build
index cbacf0d48..f6ed0fe59 100644
--- a/meson.build
+++ b/meson.build
@@ -353,7 +353,6 @@ endforeach
 # Compiler flags
 if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
   warning_c_args = [
-    '-Wall',
     '-Wduplicated-branches',
     '-Wimplicit-fallthrough',
     '-Wmisleading-indentation',