diff --git a/pl-pkg/package.json b/pl-pkg/package.json
index b2d8186b0..9b881ae8d 100644
--- a/pl-pkg/package.json
+++ b/pl-pkg/package.json
@@ -4,16 +4,13 @@
   "description": "MiXCR software dependency for Platforma Backend",
   "scripts": {
     "build": "true",
-
     "pkg:build": "pl-pkg build packages",
     "pkg:sign": "pl-pkg sign packages --sign-command='[\"gcloud-kms-sign\", \"{pkg}\", \"{pkg}.sig\"]'",
     "pkg:publish": "pl-pkg publish packages",
     "pkg:release": "npm run pkg:build && npm run pkg:sign && npm run pkg:publish",
-
     "descriptor:build": "pl-pkg build descriptors",
     "descriptor:publish": "pl-pkg publish descriptors",
     "descriptor:release": "npm run descriptor:build && npm run descriptor:publish",
-
     "postinstall": "node ./scripts/unpack-ci.js",
     "prepublishOnly": "npm run pkg:release && npm run descriptor:build"
   },
@@ -28,7 +25,12 @@
             "environment": "@platforma-open/milaboratories.runenv-java-corretto:21.0.2.13.1",
             "root": "./dld/mixcr/"
           },
-          "cmd": [ "java", "-jar", "{pkg}/mixcr.jar" ]
+          "cmd": [
+            "java",
+            "-XX:MaxRAMPercentage=85.0",
+            "-jar",
+            "{pkg}/mixcr.jar"
+          ]
         }
       }
     }