diff --git a/README.rst b/README.rst
index 01b316253..44a260857 100644
--- a/README.rst
+++ b/README.rst
@@ -13,6 +13,7 @@ Directory structure:
     reference/
         Reference documents which need to be revised over time.
         Some motions will just directly result in reference doc changes.
+        Includes SIGs (Special Interest Groups) documentation in reference/sigs/.
     resolutions/
         When the motion does not result in a change in a reference doc, it
         can be expressed as a resolution.
@@ -23,4 +24,7 @@ Directory structure:
         release cycle. These pages will be updated with project status
         info over time, and if goals are revised.
 
+Note: The governance-sigs repository has been merged into this repository.
+All SIGs documentation is now located in reference/sigs/.
+
 See https://governance.openstack.org/tc/ for details.
diff --git a/reference/legacy.yaml b/reference/legacy.yaml
index 2cfb2f1a0..64b260d6b 100644
--- a/reference/legacy.yaml
+++ b/reference/legacy.yaml
@@ -324,6 +324,10 @@ Governance:
       repos:
         - openstack/governance-uc
         - openstack/uc-recognition
+    governance-sigs:
+      retired-on: 2025-11-10
+      repos:
+        - openstack/governance-sigs
 
 heat:
   irc-channel: heat
diff --git a/resolutions/20180319-sig-governance.rst b/resolutions/20180319-sig-governance.rst
index a87280d0a..c5ef9e6c2 100644
--- a/resolutions/20180319-sig-governance.rst
+++ b/resolutions/20180319-sig-governance.rst
@@ -14,7 +14,7 @@ one Technical Committee representative. In case the two SIG admins disagree
 on the resolution of the conflict, the OpenStack Foundation Executive Director
 will be asked to break the tie.
 
-NB: the SIG admins group also has +2A rights on the governance-sigs repository
+NB: the SIG admins group also has +2A rights on the governance repository
 (source of the `SIG governance website`_), and therefore finally approves
 new SIG submissions.
 
diff --git a/resolutions/20251110-retire-governance-sigs-repository.rst b/resolutions/20251110-retire-governance-sigs-repository.rst
new file mode 100644
index 000000000..97c5cf88d
--- /dev/null
+++ b/resolutions/20251110-retire-governance-sigs-repository.rst
@@ -0,0 +1,16 @@
+============================================
+2025-11-10 Retire governance-sigs repository
+============================================
+
+The governance-sigs repository (openstack/governance-sigs) has been merged
+into the governance repository (openstack/governance). All SIGs documentation,
+including sigs.yaml, archived-sigs.yaml, completed-sigs.yaml, and related
+documentation files, are now located in the reference/sigs/ directory of the
+governance repository.
+
+The governance-sigs repository is hereby retired. All future updates to SIGs
+documentation should be made in the governance repository.
+
+The SIGs website (https://governance.openstack.org/sigs/) continues to be
+served from the governance repository.
+