diff --git a/.gitignore b/.gitignore
index 7e8ee2f..efbeea0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@
 /CuraEngine-3.3.0.tar.gz
 /CuraEngine-3.4.1.tar.gz
 /e6afb9cbae4064da8c3e69af3ff5c4629579c1d2.tar.gz
+/CuraEngine-3.5.1.tar.gz
diff --git a/CuraEngine-3.4.1-no-resource-dir.patch b/CuraEngine-3.4.1-no-resource-dir.patch
deleted file mode 100644
index 5710f17..0000000
--- a/CuraEngine-3.4.1-no-resource-dir.patch
+++ /dev/null
@@ -1,26 +0,0 @@
-From 5aad55bf67e52ce5bdb27a3925af8a4cab441b38 Mon Sep 17 00:00:00 2001
-From: Ghostkeeper <rubend@tutanota.com>
-Date: Mon, 18 Jun 2018 15:39:01 +0200
-Subject: [PATCH] Remove outdated copy of command_line_settings.json
-
-This entire directory doesn't exist.
----
- CMakeLists.txt | 5 -----
- 1 file changed, 5 deletions(-)
-
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 5c579388f..4c55e6f39 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -251,11 +251,6 @@ if (BUILD_TESTS)
-     endforeach()
- endif()
- 
--
--add_custom_command(TARGET CuraEngine POST_BUILD
--                   COMMAND ${CMAKE_COMMAND} -E copy_directory
--                       ${CMAKE_SOURCE_DIR}/resources $<TARGET_FILE_DIR:CuraEngine>)
--
- # Installing CuraEngine.
- include(GNUInstallDirs)
- install(TARGETS CuraEngine DESTINATION ${CMAKE_INSTALL_BINDIR})
diff --git a/CuraEngine.spec b/CuraEngine.spec
index 6ddfe02..9d785a4 100644
--- a/CuraEngine.spec
+++ b/CuraEngine.spec
@@ -1,7 +1,7 @@
 Name:           CuraEngine
-Epoch:          1
-Version:        3.4.1
-Release:        1%{?dist}
+Epoch:          0
+Version:        3.5.1
+Release:        2%{?dist}
 Summary:        Engine for processing 3D models into G-code instructions for 3D printers
 License:        AGPLv3+
 URL:            https://github.com/Ultimaker/%{name}
@@ -20,15 +20,11 @@ BuildRequires:  polyclipping-devel >= 6.1.2
 BuildRequires:  protobuf-devel
 BuildRequires:  rapidjson-devel
 BuildRequires:  cmake
-BuildRequires:  git
+BuildRequires:  git-core
 
 Patch0:         %{name}-rpath.patch
 Patch1:         %{name}-static-libstdcpp.patch
 
-# A weird part of cmake stuff that does not work at all, not present in upstream master
-# https://github.com/Ultimaker/CuraEngine/commit/5aad55bf67e52ce5bdb27a3925af8a4cab441b38
-Patch2:         %{name}-3.4.1-no-resource-dir.patch
-
 %description
 %{name} is a C++ console application for 3D printing G-code generation. It
 has been made as a better and faster alternative to the old Skeinforge engine.
@@ -39,6 +35,7 @@ application look at cura with is the graphical frontend for %{name}.
 %prep
 %autosetup -p1 -S git
 tar -xf %{SOURCE1}
+mv stb-%{stb_commit} stb
 
 # bundled libraries
 rm -rf libs
@@ -64,6 +61,9 @@ make install DESTDIR=%{buildroot}
 %{_bindir}/%{name}
 
 %changelog
+* Mon Nov 12 2018 Miro Hrončok <mhroncok@redhat.com> - 0:3.5.1-2
+- Update to 3.5.1 (#1644323)
+
 * Tue Aug 28 2018 Miro Hrončok <mhroncok@redhat.com> - 1:3.4.1-1
 - Update to 3.4.1
 
diff --git a/sources b/sources
index 6e08fd9..328f98b 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (CuraEngine-3.4.1.tar.gz) = 51c75e299ef7728101a4c61aa033c9b07112b0955d2ec72ba6173684513ed3c503a744fab487efe2c19da01eb97bd1297b5b8724b4f767639c8e82eefcdd01be
+SHA512 (CuraEngine-3.5.1.tar.gz) = 99182c5f43b7b3e5f8276a839406d00930bf01db1a640f23d8d9663f67d17085ccaf6de156c552815da9ec07a9b462300919c07a04bc4d0f08e0f3c9e70c6c4b
 SHA512 (e6afb9cbae4064da8c3e69af3ff5c4629579c1d2.tar.gz) = 232ef301d4d6c82c7c5f0e4234b9160cc815f3b6bcc35d341cdf8738646f2f0887ee9838680699f4c9f4274b1390036b2c4fb3ebc2d663af8ff888114dc9f04b