diff --git a/lib/jpegtran_ffi.dart b/lib/jpegtran_ffi.dart
index a5eb75a..8485fad 100644
--- a/lib/jpegtran_ffi.dart
+++ b/lib/jpegtran_ffi.dart
@@ -280,7 +280,15 @@ class JpegTransformer {
   void dispose() {
     calloc.free(_jpegBuf);
 
-    int res = _bindings.tjDestroy(_handleTransform);
+    int res = _bindings.tjDestroy(_handleCompress);
+    if (res != 0) {
+      throw Exception("tjDestroy failed");
+    }
+    res = _bindings.tjDestroy(_handleDecompress);
+    if (res != 0) {
+      throw Exception("tjDestroy failed");
+    }
+    res = _bindings.tjDestroy(_handleTransform);
     if (res != 0) {
       throw Exception("tjDestroy failed");
     }
diff --git a/libjpeg-turbo b/libjpeg-turbo
index ab6c4a5..7fa4b5b 160000
--- a/libjpeg-turbo
+++ b/libjpeg-turbo
@@ -1 +1 @@
-Subproject commit ab6c4a5db10901fa2ae9e8594768175e02b6e016
+Subproject commit 7fa4b5b762c9a99b46b0b7838f5fd55071b92ea5