diff --git a/.gitlab-ci/Dockerfile b/.gitlab-ci/Dockerfile
index 22553c36e8..391f1af9c7 100644
--- a/.gitlab-ci/Dockerfile
+++ b/.gitlab-ci/Dockerfile
@@ -1,7 +1,6 @@
 FROM fedora:31
 
 RUN dnf -y install \
-    hicolor-icon-theme \
     adwaita-icon-theme \
     atk-devel \
     at-spi2-atk-devel \
@@ -14,6 +13,7 @@ RUN dnf -y install \
     dbus-daemon \
     dejavu-sans-mono-fonts \
     desktop-file-utils \
+    diffutils \
     elfutils-libelf-devel \
     fribidi-devel \
     gcc \
@@ -32,6 +32,7 @@ RUN dnf -y install \
     gstreamer1-plugins-bad-free-devel \
     gstreamer1-plugins-base-devel \
     gtk-doc \
+    hicolor-icon-theme \
     iso-codes \
     itstool \
     json-glib-devel \
diff --git a/.gitlab-ci/meson-html-report.py b/.gitlab-ci/meson-html-report.py
index bfb7e4994c..ef895a948a 100755
--- a/.gitlab-ci/meson-html-report.py
+++ b/.gitlab-ci/meson-html-report.py
@@ -149,11 +149,11 @@ ul.images li {
   <article>
     <section>
       <div class="summary">
-        <h3>Summary</h3>
+        <h3><a name="summary">Summary</a></h3>
         <ul>
           <li><strong>Total units:</strong> {{ report.total_units }}</li>
-          <li><strong>Passed:</strong> {{ report.total_successes }}</li>
-          <li><strong>Failed:</strong> {{ report.total_failures }}</li>
+          <li><strong>Passed:</strong> <a href="#passed">{{ report.total_successes }}</a></li>
+          <li><strong>Failed:</strong> <a href="#failures">{{ report.total_failures }}</a></li>
         </ul>
       </div>
     </section>
@@ -161,7 +161,7 @@ ul.images li {
     {% for suite_result in report.results_list %}
     <section>
       <div class="result">
-        <h3>Suite: {{ suite_result.suite_name }}</h3>
+        <h3><a name="results">Suite: {{ suite_result.suite_name }}</a></h3>
         <ul>
           <li><strong>Units:</strong> {{ suite_result.n_units }}</li>
           <li><strong>Passed:</strong> {{ suite_result.n_successes }}</li>
@@ -169,7 +169,7 @@ ul.images li {
         </ul>
 
         <div class="successes">
-          <h4>Passed</h4>
+          <h4><a name="passed">Passed</a></h4>
           <ul class="passed">
             {% for success in suite_result.successes if success.result == 'OK' %}
             <li>{{ success.name }} - result: <span class="result pass">{{ success.result }}</li>
@@ -178,7 +178,7 @@ ul.images li {
             {% endfor %}
           </ul>
 
-          <h4>Skipped</h4>
+          <h4><a name="skipped">Skipped</a></h4>
           <ul>
             {% for success in suite_result.successes if success.result == 'SKIP' %}
             <li>{{ success.name }} - result: <span class="result skip">{{ success.result }}</li>
@@ -187,10 +187,10 @@ ul.images li {
             {% endfor %}
           </ul>
 
-          <h4>Expected failures</h4>
+          <h4><a name="expected-fail">Expected failures</a></h4>
           <ul>
           {% for success in suite_result.successes if success.result == 'EXPECTEDFAIL' %}
-            <li>{{ success.name }} - result: <span class="result xfail">{{ success.result }}</span><br/>
+            <li><a name="{{ success.name }}">{{ success.name }}</a> - result: <span class="result xfail">{{ success.result }}</span><br/>
             {% if success.stdout %}
               Output: <pre>{{ success.stdout }}</pre>
             {% endif %}
@@ -209,10 +209,10 @@ ul.images li {
         </div>
 
         <div class="failures">
-          <h4>Failed</h4>
+          <h4><a name="failed">Failed</a></h4>
           <ul class="failed">
             {% for failure in suite_result.failures if failure.result == 'FAIL' %}
-            <li>{{ failure.name }} - result: <span class="result fail">{{ failure.result }}</span><br/>
+            <li><a name="{{ failure.name }}">{{ failure.name }}</a> - result: <span class="result fail">{{ failure.result }}</span><br/>
               {% if failure.stdout %}
               Output: <pre>{{ failure.stdout }}</pre>
               {% endif %}
@@ -229,10 +229,10 @@ ul.images li {
             {% endfor %}
           </ul>
 
-          <h4>Timed out</h4>
+          <h4><a name="timed-out">Timed out</a></h4>
           <ul class="failed">
             {% for failure in suite_result.failures if failure.result == 'TIMEOUT' %}
-            <li>{{ failure.name }} - result: <span class="result fail">{{ failure.result }}</span><br/>
+            <li><a name="{{ failure.name }}">{{ failure.name }}</a> - result: <span class="result fail">{{ failure.result }}</span><br/>
               {% if failure.stdout %}
               Output: <pre>{{ failure.stdout }}</pre>
               {% endif %}
diff --git a/.gitlab-ci/run-docker.sh b/.gitlab-ci/run-docker.sh
index b0857777ee..4892769c88 100755
--- a/.gitlab-ci/run-docker.sh
+++ b/.gitlab-ci/run-docker.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-TAG="registry.gitlab.gnome.org/gnome/gtk/master:v6"
+TAG="registry.gitlab.gnome.org/gnome/gtk/master:v7"
 
 sudo docker build --build-arg HOST_USER_ID="$UID" --tag "${TAG}" \
     --file "Dockerfile" .
diff --git a/testsuite/meson.build b/testsuite/meson.build
index 10dabd8152..bb7c8160f4 100644
--- a/testsuite/meson.build
+++ b/testsuite/meson.build
@@ -2,6 +2,10 @@ gtk_libexecdir = join_paths(gtk_prefix, get_option('libexecdir'))
 installed_test_bindir = join_paths(gtk_libexecdir, 'installed-tests', 'gtk-4.0')
 installed_test_datadir = join_paths(gtk_datadir, 'installed-tests', 'gtk-4.0')
 
+# We call diff in various tests, so we need to check it's available,
+# otherwise we're going to have failures down the line
+diff = find_program('diff', required: true)
+
 subdir('gdk')
 subdir('gsk')
 subdir('gtk')