diff --git a/brut.apktool/apktool-lib/src/main/java/brut/androlib/Androlib.java b/brut.apktool/apktool-lib/src/main/java/brut/androlib/Androlib.java
index 0e82fb0d..c3f94a76 100644
--- a/brut.apktool/apktool-lib/src/main/java/brut/androlib/Androlib.java
+++ b/brut.apktool/apktool-lib/src/main/java/brut/androlib/Androlib.java
@@ -178,6 +178,7 @@ public class Androlib {
                     }
                 }
             }
+            apkZipFile.close();
         }
         catch (DirectoryException ex) {
             throw new AndrolibException(ex);