diff --git a/index.toml b/index.toml
index 7f79cde..6d60247 100644
--- a/index.toml
+++ b/index.toml
@@ -935,7 +935,7 @@ metafile = true
 
 [[files]]
 file = "mods/gregtechceu-modern.pw.toml"
-hash = "1da8725ebba0cc2fe55def42e80e28020b69fa3fed7b01bd63b1f964c73bfef8"
+hash = "a725eb287bd9aeec09b22ef672bd3348cd8da3427e17af7e889bd05482b11897"
 metafile = true
 
 [[files]]
diff --git a/mods/gregtechceu-modern.pw.toml b/mods/gregtechceu-modern.pw.toml
index 43da414..fa1d116 100644
--- a/mods/gregtechceu-modern.pw.toml
+++ b/mods/gregtechceu-modern.pw.toml
@@ -1,13 +1,13 @@
 name = "GregTechCEu Modern"
-filename = "gtceu-1.20.1-1.6.1.jar"
+filename = "gtceu-1.20.1-1.6.3.jar"
 side = "both"
 
 [download]
 hash-format = "sha1"
-hash = "2efe0c78911049ac948ceb944c6021fee81736c0"
+hash = "76218dc7c7f3adcdb250dd2304f16b8a99032443"
 mode = "metadata:curseforge"
 
 [update]
 [update.curseforge]
-file-id = 6012734
+file-id = 6081505
 project-id = 890405
diff --git a/pack.toml b/pack.toml
index 7b71ce2..a6f391d 100644
--- a/pack.toml
+++ b/pack.toml
@@ -1,12 +1,12 @@
 name = "GregTech CEu Modern Community Pack"
 author = "ursamina"
-version = "1.13.0"
+version = "1.13.1"
 pack-format = "packwiz:1.1.0"
 
 [index]
 file = "index.toml"
 hash-format = "sha256"
-hash = "86b8b8d73f99a70138ee23e9bd5cfd67067e28f21933138a3751d9d51508c292"
+hash = "9648ff4f5432c997c1ca9c0cd03a7d55394d580bedaf6e1822f469728747ba2e"
 
 [versions]
 forge = "47.3.6"