diff --git a/patch-loader/src/main/java/org/lsposed/lspatch/loader/LSPApplication.java b/patch-loader/src/main/java/org/lsposed/lspatch/loader/LSPApplication.java
index 1a27d2e..8c6b54d 100644
--- a/patch-loader/src/main/java/org/lsposed/lspatch/loader/LSPApplication.java
+++ b/patch-loader/src/main/java/org/lsposed/lspatch/loader/LSPApplication.java
@@ -137,6 +137,7 @@ public class LSPApplication {
                     Files.copy(is, cacheApkPath);
                 }
             }
+            cacheApkPath.toFile().setWritable(false);
 
             var mPackages = (Map<?, ?>) XposedHelpers.getObjectField(activityThread, "mPackages");
             mPackages.remove(appInfo.packageName);