diff --git a/PrusaSlicer.changes b/PrusaSlicer.changes
index c6d3519..26cddb4 100644
--- a/PrusaSlicer.changes
+++ b/PrusaSlicer.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Aug 10 08:12:10 UTC 2020 - Stefan Brüns <stefan.bruens@rwth-aachen.de>
+
+- Use wxGTK3 instead of wxWidgets (GTK2), for better HiDPI and
+  Wayland support.
+
 -------------------------------------------------------------------
 Tue Jun 16 12:09:13 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
 
diff --git a/PrusaSlicer.spec b/PrusaSlicer.spec
index 337fd91..a0b4983 100644
--- a/PrusaSlicer.spec
+++ b/PrusaSlicer.spec
@@ -51,7 +51,7 @@ BuildRequires:  openvdb-devel >= 5
 BuildRequires:  openvdb-tools
 BuildRequires:  tbb-devel
 BuildRequires:  update-desktop-files
-BuildRequires:  wxWidgets-devel >= 3.1
+BuildRequires:  wxGTK3-devel >= 3.1
 BuildRequires:  pkgconfig(libudev)
 Requires:       noto-sans-fonts
 
@@ -73,7 +73,8 @@ sed -i 's/UNKNOWN/OpenSUSE/' version.inc
   export CFLAGS="%optflags -mfpmath=sse -msse2"
   export CXXFLAGS="$CFLAGS"
 %endif
-%cmake -DSLIC3R_FHS=1
+%cmake -DSLIC3R_FHS=1 \
+  -DSLIC3R_GTK=3
 %cmake_build
 
 %install