diff --git a/build.gradle b/build.gradle
index 9e18af40..1c7064c7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 plugins {
-    id "fabric-loom" version "1.5-SNAPSHOT" apply false
+    id "fabric-loom" version "1.4-SNAPSHOT" apply false // cannot use 0.94.0 (loom & okio)
     id "com.replaymod.preprocess" version "ce1aeb2b"
 }
 
diff --git a/gradle.properties b/gradle.properties
index a09e9f6b..2548d818 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -12,4 +12,5 @@ archives_base_name=MC-Discord-Chat
 minecraft_version=1.20.4
 yarn_mappings=1.20.4+build.3
 loader_version=0.15.5
-fabric_version=0.94.0+1.20.4
\ No newline at end of file
+fabric_version=0.93.1+1.20.4
+# cannot use 0.94.0 (loom & okio)
\ No newline at end of file
diff --git a/versions/1.20.4/gradle.properties b/versions/1.20.4/gradle.properties
index 6516d0f8..382c3f34 100644
--- a/versions/1.20.4/gradle.properties
+++ b/versions/1.20.4/gradle.properties
@@ -8,4 +8,4 @@ loader_version=0.15.5
 minecraft_dependency=~1.20.3
 
 # Dependencies
-fabric_version=0.94.0+1.20.4
\ No newline at end of file
+fabric_version=0.93.1+1.20.4
\ No newline at end of file