diff --git a/changelog.txt b/changelog.txt
index afcde3b..fcd94d4 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.5.5
+Date: 2022-02-02
+  Changes:
+    - More minor compatibility tweaks
+---------------------------------------------------------------------------------------------------
 Version: 0.5.4
 Date: 2022-01-24
   Changes:
diff --git a/tungsten-recipe-updates.lua b/tungsten-recipe-updates.lua
index c08b818..da47f32 100644
--- a/tungsten-recipe-updates.lua
+++ b/tungsten-recipe-updates.lua
@@ -436,3 +436,7 @@ util.add_ingredient("buoy", "small-lamp", 1)
 util.add_ingredient("chain_buoy", "small-lamp", 1)
 util.add_ingredient("oil_rig", "tungsten-carbide", 5)
 
+-- High caliber guns
+util.replace_ingredient("penetrator-shell", "steel-plate", "tungsten-plate")
+util.add_to_ingredient("penetrator-shell", "tungsten-plate", 2)
+util.replace_ingredient("basic-ammo-crate", "copper-plate", "tungsten-plate")