diff --git a/minecraft/start.sh b/minecraft/start.sh
index fdd065c..6adb149 100644
--- a/minecraft/start.sh
+++ b/minecraft/start.sh
@@ -8,7 +8,7 @@ delete_server() {
 
 get_paper_server() {
   if [[ -z "$MC_VERSION" ]]; then
-    MC_VERSION="1.21.1"
+    MC_VERSION="1.20.4"
   fi
   
   majorVersion=$MC_VERSION
@@ -24,7 +24,7 @@ get_paper_server() {
 
 get_pufferfish_server() {
   if [[ -z "$MC_VERSION" ]]; then
-    MC_VERSION="1.21"
+    MC_VERSION="1.20"
   fi
   
   majorVersion=$MC_VERSION
@@ -40,7 +40,7 @@ get_pufferfish_server() {
 
 get_purpur_server() {
   if [[ -z "$MC_VERSION" ]]; then
-    MC_VERSION="1.21.1"
+    MC_VERSION="1.20.4"
   fi
 
   PURPUR_BUILD_DOWNLOAD_URL="https://api.purpurmc.org/v2/purpur/${MC_VERSION}/latest/download"