diff --git a/prusa-slicer.spec b/prusa-slicer.spec
index eed15b8..706170b 100644
--- a/prusa-slicer.spec
+++ b/prusa-slicer.spec
@@ -7,8 +7,8 @@
 %endif
 
 Name:           prusa-slicer
-Version:        2.3.1
-Release:        5%{?dist}
+Version:        2.3.3
+Release:        1%{?dist}
 Summary:        3D printing slicer optimized for Prusa printers
 
 # The main PrusaSlicer code and resources are AGPLv3, with small parts as
@@ -25,13 +25,9 @@ Source0:        https://github.com/prusa3d/PrusaSlicer/archive/version_%version.
 Source1:        %name.desktop
 Source2:        %name.appdata.xml
 
-# Added missing include (GCC 11.1)
-# https://github.com/prusa3d/PrusaSlicer/commit/62592cab48cfb6a20d84041b1992aecc6a2b659c
-Patch1:         optional.patch
-
 # Fix build error with non-const MINSIGSTKSZ
 # https://github.com/prusa3d/PrusaSlicer/pull/6518
-Patch2:         0001-Fix-build-error-with-non-const-MINSIGSTKSZ.patch
+Patch1:         0001-Fix-build-error-with-non-const-MINSIGSTKSZ.patch
 
 
 # Beware!
@@ -395,6 +391,10 @@ rm -rf %buildroot%_datadir/PrusaSlicer/data/
 %endif
 
 %changelog
+* Mon Nov 08 2021 Dennis Gilmore <dennis@ausil.us> - 2.3.3-1
+- update to 2.3.3
+- remove upstreamed gcc patch
+
 * Sat Aug 07 2021 Jonathan Wakely <jwakely@redhat.com> - 2.3.1-5
 - Rebuilt for Boost 1.76
 
diff --git a/sources b/sources
index 252cb0f..3ea83e0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (version_2.3.1.tar.gz) = 2722ee9d5331fe03423ce179cec68196320b48c65bd3c6795b93469268956fb309609462cc62bf3e2b4f30d2fe720d0a28a16c010993737c045d82956493a1e3
+SHA512 (version_2.3.3.tar.gz) = 1f6b97e135202ad9de8f0bb212239ce2497de4205ea32f860b483473fb1f1783451d539a67cd97ef31f512a797b29c1067a1eff4134ea4a29b6218e5757657e2