diff --git a/.gitignore b/.gitignore
index 7055920..789b8e5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /qwt-6.1.2.tar.bz2
 /qwt-6.1.3.tar.bz2
 /qwt-6.1.4.tar.bz2
+/qwt-6.1.5.tar.bz2
diff --git a/qwt-6.1.2-qt_install_paths.patch b/qwt-6.1.5-qt_install_paths.patch
similarity index 78%
rename from qwt-6.1.2-qt_install_paths.patch
rename to qwt-6.1.5-qt_install_paths.patch
index bd80822..120c546 100644
--- a/qwt-6.1.2-qt_install_paths.patch
+++ b/qwt-6.1.5-qt_install_paths.patch
@@ -1,19 +1,18 @@
-diff -rupN --no-dereference qwt-6.1.4/qwtbuild.pri qwt-6.1.4-new/qwtbuild.pri
---- qwt-6.1.4/qwtbuild.pri	2019-01-02 17:21:31.556467499 +0100
-+++ qwt-6.1.4-new/qwtbuild.pri	2020-01-06 17:17:19.790623764 +0100
-@@ -14,8 +14,7 @@
+diff -up qwt-6.1.5/qwtbuild.pri.qt_install_paths qwt-6.1.5/qwtbuild.pri
+--- qwt-6.1.5/qwtbuild.pri.qt_install_paths	2020-07-13 13:22:57.829775189 -0500
++++ qwt-6.1.5/qwtbuild.pri	2020-07-13 13:23:39.719159410 -0500
+@@ -14,7 +14,7 @@
  CONFIG           += qt
  CONFIG           += warn_on
  CONFIG           += no_keywords
 -CONFIG           += silent
--
 +#CONFIG           += silent
- ######################################################################
- # release/debug mode
- ######################################################################
-diff -rupN --no-dereference qwt-6.1.4/qwtconfig.pri qwt-6.1.4-new/qwtconfig.pri
---- qwt-6.1.4/qwtconfig.pri	2019-01-02 17:21:31.556467499 +0100
-+++ qwt-6.1.4-new/qwtconfig.pri	2020-01-06 17:17:19.790623764 +0100
+ 
+ DEFINES += QT_NO_DEPRECATED_WARNINGS # not fixing those before Qwt 6.2
+ 
+diff -up qwt-6.1.5/qwtconfig.pri.qt_install_paths qwt-6.1.5/qwtconfig.pri
+--- qwt-6.1.5/qwtconfig.pri.qt_install_paths	2020-06-01 11:48:07.325112226 -0500
++++ qwt-6.1.5/qwtconfig.pri	2020-07-13 13:22:57.831775207 -0500
 @@ -19,7 +19,7 @@ QWT_VERSION      = $${QWT_VER_MAJ}.$${QW
  QWT_INSTALL_PREFIX = $$[QT_INSTALL_PREFIX]