diff --git a/comps-sync-exclude-list.yml b/comps-sync-exclude-list.yml
index ed98791..9165ed6 100644
--- a/comps-sync-exclude-list.yml
+++ b/comps-sync-exclude-list.yml
@@ -245,3 +245,6 @@ desktop_exclude_list:
     - NetworkManager-wifi
     # Already in the common set
     - wireplumber
+  swaywm-extended:
+    # Non-critical apps -> Flatpak
+    - mpv
diff --git a/comps-sync.py b/comps-sync.py
index 0b3df3f..99383a3 100755
--- a/comps-sync.py
+++ b/comps-sync.py
@@ -168,7 +168,8 @@ desktops_comps_groups = {
     "xfce": ["xfce-desktop"],
     "lxqt": ["lxqt-desktop"],
     "deepin": ["deepin-desktop"],
-    "mate": ["mate-desktop"]
+    "mate": ["mate-desktop"],
+    "sway": ["swaywm", "swaywm-extended"],
 }
 
 # Generate treefiles for all desktops
diff --git a/fedora-sericea.yaml b/fedora-sericea.yaml
new file mode 100644
index 0000000..319aa05
--- /dev/null
+++ b/fedora-sericea.yaml
@@ -0,0 +1,22 @@
+include:
+  - sway-desktop-pkgs.yaml
+ref: fedora/rawhide/${basearch}/sericea
+rojig:
+  name: fedora-sericea
+  summary: "Fedora Sericea (Sway) base image"
+  license: MIT
+packages:
+  - fedora-release-sericea
+  # explicitly list some defaults
+  - firefox
+exclude-packages:
+  # already excluded in comps-sync-exclude-list
+  - PackageKit-glib
+  - grubby
+  # nothing in the tree would use these
+  - tracker
+  - tracker-miners
+repos:
+  - fedora-rawhide
+  # - fedora-38
+  # - fedora-38-updates
diff --git a/sway-desktop-pkgs.yaml b/sway-desktop-pkgs.yaml
new file mode 100644
index 0000000..6c751e1
--- /dev/null
+++ b/sway-desktop-pkgs.yaml
@@ -0,0 +1,3 @@
+# DO NOT EDIT! This content is generated from comps-sync.py
+include: fedora-common-ostree.yaml
+packages: []