diff --git a/common_sdk.json b/common_sdk.json
index 51d5b8dd..f09dba7e 100644
--- a/common_sdk.json
+++ b/common_sdk.json
@@ -9,7 +9,7 @@
   "assetsDir": "./assets/",
   "outputDir": "./build/",
 
-  "compressLevel": 19,
+  "compressLevel": 6,
   "compressWorkers": 16,
 
   "files": [
diff --git a/ui_mainmenu.json b/ui_mainmenu.json
index 1b7f84f7..a89c0288 100644
--- a/ui_mainmenu.json
+++ b/ui_mainmenu.json
@@ -7,7 +7,7 @@
   "assetsDir": "./assets/",
   "outputDir": "./build/",
 
-  "compressLevel": 19,
+  "compressLevel": 6,
   "compressWorkers": 16,
 
   "name": "ui_mainmenu",
diff --git a/ui_sdk.json b/ui_sdk.json
index 7fba795d..68bfba7b 100644
--- a/ui_sdk.json
+++ b/ui_sdk.json
@@ -4,7 +4,7 @@
   "assetsDir": "./assets/",
   "outputDir": "./build/",
 
-  "compressLevel": 19,
+  "compressLevel": 6,
   "compressWorkers": 16,
 
   "name": "ui_sdk",