diff --git a/README.md b/README.md
index 64e9bc0..a30cd37 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Reaper's Sky
 
 A curated Minecraft modpack about airships, exploration, and tech progression.
-**Minecraft 1.21.1 / NeoForge 21.1.248** — 110 mods.
+**Minecraft 1.21.1 / NeoForge 21.1.248** — 111 mods.
 
 ## Install (Prism Launcher) — one link
 
@@ -10,7 +10,7 @@ If you don't have it yet, grab the latest **Prism Launcher** here:
 
 1. Open Prism Launcher → **Add Instance → Import from ZIP**.
 2. Paste the raw URL to the `.mrpack` file in this repository
-   (e.g. `https://git.reaperofveriod.nl/ReaperOfVeriod/Reaper-s-Sky/raw/branch/main/ReapersSky-1.2.1.mrpack`).
+   (e.g. `https://git.reaperofveriod.nl/ReaperOfVeriod/Reaper-s-Sky/raw/branch/main/ReapersSky-1.2.2.mrpack`).
 3. Import. Prism downloads all mods, applies configs/shaders/resource pack, and sets the instance up automatically.
 4. (First launch) Allocate 8 GB RAM in **Settings → Java → Memory**. Requires Java 21.
 5. The multiplayer server `reaperofveriod.nl` is pre-listed — just hit **Multiplayer** and join.
@@ -189,6 +189,7 @@ manual options and troubleshooting.
 | JEI 19.44.0.403 | Recipe viewer |
 | appleskin 3.0.9 | Food/hunger HUD |
 | MouseTweaks 2.26.1 | Inventory mouse controls |
+| BetterF3 11.0.3 | Customizable F3 debug screen |
 | ClientSort 2.2.2 | One-click sort buttons in inventories & chests |
 | Controlling 19.0.5 | Searchable keybinds (Searchables 1.0.2) |
 | Jade 15.10.6 | "What am I looking at" HUD |
diff --git a/ReapersSky-1.2.1.mrpack b/ReapersSky-1.2.2.mrpack
similarity index 95%
rename from ReapersSky-1.2.1.mrpack
rename to ReapersSky-1.2.2.mrpack
index 96d72a3..f777c2e 100644
Binary files a/ReapersSky-1.2.1.mrpack and b/ReapersSky-1.2.2.mrpack differ
diff --git a/build_mrpack.py b/build_mrpack.py
index a861a4a..e4cad5a 100755
--- a/build_mrpack.py
+++ b/build_mrpack.py
@@ -13,7 +13,7 @@ INSTANCE = os.path.expanduser(
 )
 MODS_DIR = os.path.join(INSTANCE, "mods")
 OUT = os.path.join(os.path.dirname(os.path.abspath(__file__)),
-                   "ReapersSky-1.2.1.mrpack")
+                   "ReapersSky-1.2.2.mrpack")
 
 # (name in instance, override source path) — shipped as-is into .minecraft
 OVERRIDES = [
@@ -84,9 +84,9 @@ def main():
     index = {
         "formatVersion": 1,
         "game": "minecraft",
-        "versionId": "1.2.1",
+        "versionId": "1.2.2",
         "name": "Reaper's Sky",
-        "summary": "Airships, exploration & tech. 110 mods for Minecraft 1.21.1 / NeoForge.",
+        "summary": "Airships, exploration & tech. 111 mods for Minecraft 1.21.1 / NeoForge.",
         "files": files,
         "dependencies": {"minecraft": "1.21.1", "neoforge": "21.1.248"},
     }
diff --git a/server/build_mods.py b/server/build_mods.py
index 6c6f886..539a21b 100644
--- a/server/build_mods.py
+++ b/server/build_mods.py
@@ -28,6 +28,7 @@ CLIENT_ONLY = {
     "iris-flywheel-compat-NeoForge-2.3.1.jar",
     "sodium-neoforge-0.8.12+mc1.21.1.jar",
     "moreculling-neoforge-1.21.1-1.0.9.jar",
+    "BetterF3-11.0.3-NeoForge-1.21.1.jar",
     "ImmediatelyFast-NeoForge-1.6.12+1.21.1.jar",
     "entityculling-neoforge-1.10.5-mc1.21.1.jar",
     "dynamic-fps-3.11.4+mc1.21.0-neoforge.jar",