diff --git a/buildSrc/src/main/kotlin/im/angry/openeuicc/build/MagiskModule.kt b/buildSrc/src/main/kotlin/im/angry/openeuicc/build/MagiskModule.kt
index dddf617..1ff19a2 100644
--- a/buildSrc/src/main/kotlin/im/angry/openeuicc/build/MagiskModule.kt
+++ b/buildSrc/src/main/kotlin/im/angry/openeuicc/build/MagiskModule.kt
@@ -82,18 +82,17 @@ private fun buildMagiskModule(target: Project) = buildZipFile {
     }
 }
 
-private fun buildZipFile(builderAction: MutableMap<String, (ZipEntry) -> ByteArray>.() -> Unit): ByteArray {
+private fun buildZipFile(builderAction: MutableMap<String, ZipEntry.() -> ByteArray>.() -> Unit): ByteArray {
     val out = ByteArrayOutputStream()
-    val zip = ZipOutputStream(out)
-    for ((name, invoke) in buildMap(builderAction)) {
-        val entry = ZipEntry(name)
-        entry.time = 0 // reproducible builds
-        zip.putNextEntry(entry)
-        zip.write(invoke(entry))
-        zip.closeEntry()
+    ZipOutputStream(out).use {
+        for ((name, invoke) in buildMap(builderAction)) {
+            val entry = ZipEntry(name)
+            entry.time = 0 // reproducible builds
+            it.putNextEntry(entry)
+            it.write(entry.invoke())
+            it.closeEntry()
+        }
     }
-    zip.close()
-    out.close()
     return out.toByteArray()
 }