diff --git a/pack/pack.toml b/pack/pack.toml
index ee6b5f5..3ed3486 100644
--- a/pack/pack.toml
+++ b/pack/pack.toml
@@ -11,4 +11,4 @@ preserve = false
 
 [versions]
 minecraft = "1.20.4"
-fabric = "latest"
+fabric = "0.15.1"
diff --git a/server.toml b/server.toml
index 9777cf2..bce9923 100644
--- a/server.toml
+++ b/server.toml
@@ -3,7 +3,7 @@ mc_version = "1.20.4"
 
 [jar]
 type = "fabric"
-loader = "latest"
+loader = "0.15.2"
 installer = "latest"
 
 [variables]