diff --git a/tests/roles/ibus-desktop-testing-role/tasks/main.yml b/tests/roles/ibus-desktop-testing-role/tasks/main.yml
index 4b83510..8d20338 100644
--- a/tests/roles/ibus-desktop-testing-role/tasks/main.yml
+++ b/tests/roles/ibus-desktop-testing-role/tasks/main.yml
@@ -38,6 +38,11 @@
           dest: gnome-desktop-testing
           force: yes
 
+    - name: Checkout v2021.1 tag in GNOME installed-tests testing harness
+      command: git checkout -q -b v2021.1 refs/tags/v2021.1
+      args:
+          chdir: gnome-desktop-testing
+
     - name: Configure GNOME installed-tests testing harness build
       command: ./autogen.sh --prefix=/usr --sysconfdir=/etc --localstatedir=/var
       args: