diff --git a/index.toml b/index.toml
index ec4c4e5..86f6c7a 100644
--- a/index.toml
+++ b/index.toml
@@ -5,8 +5,8 @@ file = "config/custom-hud/profile1.txt"
 hash = "10d7691ad85825af13bb637bb96ea7235e4e4886dbc48b490d6d34c7b9476265"
 
 [[files]]
-file = "mods/JCM-fabric-2.1.0+1.20.4.jar"
-hash = "9cedf24c89c01b8d103ebeaa25b106b39ceed595497b327b2cf5f0161677dc55"
+file = "mods/JCM-fabric-2.1.1+1.20.4.jar"
+hash = "391278881f4f9898e193dadfa10371d45b5cf74851de08b40f33090415ef0b34"
 
 [[files]]
 file = "mods/MTR-London-Underground-Addon-fabric-2.2.5+1.20.4.jar"
diff --git a/mods/JCM-fabric-2.1.0+1.20.4.jar b/mods/JCM-fabric-2.1.1+1.20.4.jar
similarity index 99%
rename from mods/JCM-fabric-2.1.0+1.20.4.jar
rename to mods/JCM-fabric-2.1.1+1.20.4.jar
index b80a55d..f05ead8 100644
Binary files a/mods/JCM-fabric-2.1.0+1.20.4.jar and b/mods/JCM-fabric-2.1.1+1.20.4.jar differ
diff --git a/pack.toml b/pack.toml
index c6d6e0f..cafc842 100644
--- a/pack.toml
+++ b/pack.toml
@@ -6,7 +6,7 @@ pack-format = "packwiz:1.1.0"
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "d8f7c068d8e94067e77ded2abd696315d678a305c4466e5fde709dc20792c4e2"
+hash = "2e75eb6f791b6f4eb845f0b4360a3c4f578ec82607c700bdfff7d4dc0e2d2e3d"
 
 [versions]
 fabric = "0.16.14"