diff --git a/external/qwt b/external/qwt
index aab5a99..8b13815 160000
--- a/external/qwt
+++ b/external/qwt
@@ -1 +1 @@
-Subproject commit aab5a9927cc2fc2b865ef64a8e3d8c1f7f86fd04
+Subproject commit 8b138154a9b4f646eef98f654e081ffb1e7c7d80