diff --git a/.gitmodules b/.gitmodules
index 6be3a4a0..83d7ae69 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -19,3 +19,6 @@
 [submodule "external/flathub-shared-modules"]
 	path = external/flathub-shared-modules
 	url = https://github.com/flathub/shared-modules.git
+[submodule "external/nextcloud-spreed"]
+	path = external/nextcloud-spreed
+	url = https://github.com/nextcloud/spreed
diff --git a/external/nextcloud-spreed b/external/nextcloud-spreed
new file mode 160000
index 00000000..c1472ed4
--- /dev/null
+++ b/external/nextcloud-spreed
@@ -0,0 +1 @@
+Subproject commit c1472ed4cc0f777d27d35f1cf0e3020df1c50bba
diff --git a/tool/generate-specs.sh b/tool/generate-specs.sh
index 3680fea0..feaa71db 100755
--- a/tool/generate-specs.sh
+++ b/tool/generate-specs.sh
@@ -11,7 +11,7 @@ function generate_spec() {
     composer exec generate-spec -- "$path" "../../packages/nextcloud/lib/src/api/$codename.openapi.json" --first-content-type --openapi-version 3.1.0
 }
 
-for dir in external/nextcloud-server external/nextcloud-notifications; do
+for dir in external/nextcloud-server external/nextcloud-notifications external/nextcloud-spreed; do
   (
     cd "$dir"
     composer install
@@ -50,6 +50,11 @@ done
   generate_spec "." "notifications"
 )
 
+(
+  cd external/nextcloud-spreed
+  generate_spec "." "spreed"
+)
+
 (
   cd external/nextcloud-server
   composer exec merge-specs -- --core ../../packages/nextcloud/lib/src/api/core.openapi.json --merged /tmp/nextcloud-neon/merged.json ../../packages/nextcloud/lib/src/api/*.openapi.json --openapi-version 3.1.0