diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9e2db6892..00fb459da 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ This is the rolling changelog for TShock for Terraria. Use past tense when addin
   * `tshock.tp.tppotion`, `tshock.tp.magicconch`, and `tshock.tp.demonconch` respectively.
 * Updated HealOtherPlayer damage check to make more sense by respecting `ignoredamagecap` permission. (@moisterrific)
 * Added preliminary support for Terraria 1.4.2.3 (@moisterrific, @Moneylover3246, @DeathCradle)
+* Added celebration mk2 explosive to explosives ItemID set in TSAPI. Solves #2304. (@Quinci135)
 
 ## TShock 4.5.2
 * Added preliminary support for Terraria 1.4.2.2. (@hakusaro)
diff --git a/TerrariaServerAPI b/TerrariaServerAPI
index e738a271b..27b275538 160000
--- a/TerrariaServerAPI
+++ b/TerrariaServerAPI
@@ -1 +1 @@
-Subproject commit e738a271bc12b32811f8acc72cfbb3959ec4be47
+Subproject commit 27b275538bffb1f0fcb8b9c1830bc715373f5da1