diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index efeea85c2..5e28db343 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -114,7 +114,7 @@ development tools appropriate for your operating system, including:
  - Meson
  - Ninja
  - Gettext (19.7 or newer)
- - a [C99 compatible compiler](https://wiki.gnome.org/Projects/GLib/CompilerRequirements)
+ - a [C99 compatible compiler](./docs/toolchain-requirements.md)
 
 Up-to-date instructions about developing GNOME applications and libraries
 can be found on [the GNOME Developer Center](https://developer.gnome.org).
@@ -187,7 +187,7 @@ With each code review, we intend to:
     adequately tested, either through requiring tests to be submitted at the
     same time, or as a follow-up.
  0. Ensure that all new APIs are documented and have [introspection
-    annotations](https://wiki.gnome.org/Projects/GObjectIntrospection/Annotations).
+    annotations](https://gi.readthedocs.io/en/latest/annotations/giannotations.html).
  0. Check that the contribution is split into logically separate commits, each
     with a good commit message.
  0. Encourage further high quality contributions.
@@ -272,4 +272,4 @@ GLib to follow a few rules:
 
 If you have been contributing to GLib for a while and you don’t have commit
 access to the repository, you may ask to obtain it following the [GNOME account
-process](https://wiki.gnome.org/AccountsTeam/NewAccounts).
+process](https://wiki.gnome.org/Infrastructure/NewAccounts).
diff --git a/docs/reference/gio/gdbus-codegen.xml b/docs/reference/gio/gdbus-codegen.xml
index 5860fed97..7feed9124 100644
--- a/docs/reference/gio/gdbus-codegen.xml
+++ b/docs/reference/gio/gdbus-codegen.xml
@@ -1156,7 +1156,7 @@ on_handle_hello_world (MyAppFrobber           *interface,
   <para>
     The generated C code currently happens to be annotated with <ulink
     url="http://www.gtk.org/gtk-doc/">gtk-doc</ulink> / <ulink
-    url="https://wiki.gnome.org/Projects/GObjectIntrospection">GObject
+    url="https://gi.readthedocs.io/en/latest/">GObject
     Introspection</ulink> comments / annotations. The layout and
     contents might change in the future so no guarantees about
     e.g. <literal>SECTION</literal> usage etc. is given.
diff --git a/docs/reference/glib/building.xml b/docs/reference/glib/building.xml
index dd1a4495b..e30cd66c4 100644
--- a/docs/reference/glib/building.xml
+++ b/docs/reference/glib/building.xml
@@ -60,7 +60,7 @@
       Before you can compile the GLib library, you need to have
       various other tools and libraries installed on your system.
       If you are building from a release archive, you will need
-      <ulink url="https://wiki.gnome.org/Projects/GLib/CompilerRequirements">a compliant C toolchain</ulink>,
+      <ulink url="https://gitlab.gnome.org/GNOME/glib/-/blob/main/docs/toolchain-requirements.md">a compliant C toolchain</ulink>,
       <application>Meson</application>, and <application>pkg-config</application>;
       the requirements are the same when building from a Git repository clone
       of GLib.
diff --git a/docs/supported-platforms.md b/docs/supported-platforms.md
index fbda4266c..43b652d8f 100644
--- a/docs/supported-platforms.md
+++ b/docs/supported-platforms.md
@@ -32,14 +32,14 @@ GLib is regularly built on at least the following systems:
  * FreeBSD: https://wiki.gnome.org/Projects/Jhbuild/FreeBSD
  * openSUSE: https://build.opensuse.org/package/show/GNOME:Factory/glib2
  * CI runners, https://gitlab.gnome.org/GNOME/glib/blob/main/.gitlab-ci.yml:
-  * Fedora (34, https://gitlab.gnome.org/GNOME/glib/-/blob/main/.gitlab-ci/fedora.Dockerfile)
-  * Debian (Bullseye, https://gitlab.gnome.org/GNOME/glib/-/blob/main/.gitlab-ci/debian-stable.Dockerfile)
-  * Windows (MinGW64)
-  * Windows (msys2-mingw32)
-  * Windows (Visual Studio 2017, and a static linking version)
-  * Android (NDK r23b, API 31, arm64, https://gitlab.gnome.org/GNOME/glib/-/blob/main/.gitlab-ci/android-ndk.sh)
-  * FreeBSD (12 and 13)
-  * macOS
+   - Fedora (34, https://gitlab.gnome.org/GNOME/glib/-/blob/main/.gitlab-ci/fedora.Dockerfile)
+   - Debian (Bullseye, https://gitlab.gnome.org/GNOME/glib/-/blob/main/.gitlab-ci/debian-stable.Dockerfile)
+   - Windows (MinGW64)
+   - Windows (msys2-mingw32)
+   - Windows (Visual Studio 2017, and a static linking version)
+   - Android (NDK r23b, API 31, arm64, https://gitlab.gnome.org/GNOME/glib/-/blob/main/.gitlab-ci/android-ndk.sh)
+   - FreeBSD (12 and 13)
+   - macOS
 
 If other platforms are to be supported, we need to set up regular CI testing for
 them. Please contact us if you want to help.
diff --git a/meson.build b/meson.build
index 3cb72aae4..f275a3475 100644
--- a/meson.build
+++ b/meson.build
@@ -509,7 +509,7 @@ if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
     # building with -Wbad-function-cast.
     '-Wno-cast-function-type',
     # Due to function casts through (void*) we cannot support -Wpedantic:
-    # https://wiki.gnome.org/Projects/GLib/CompilerRequirements#Function_pointer_conversions.
+    # ./docs/toolchain-requirements.md#Function_pointer_conversions.
     '-Wno-pedantic',
     # A zero-length format string shouldn't be considered an issue.
     '-Wno-format-zero-length',