diff --git a/mingw-w64-doxygen/PKGBUILD b/mingw-w64-doxygen/PKGBUILD
index 7d3ece7b58..b3eceb3862 100644
--- a/mingw-w64-doxygen/PKGBUILD
+++ b/mingw-w64-doxygen/PKGBUILD
@@ -3,7 +3,7 @@
 _realname=doxygen
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
-pkgver=1.8.18
+pkgver=1.8.20
 pkgrel=1
 pkgdesc="A documentation system for C++, C, Java, IDL and PHP (mingw-w64)"
 arch=('any')
@@ -27,8 +27,8 @@ makedepends=(#"${MINGW_PACKAGE_PREFIX}-clang-tools-extra"
 optdepends=("${MINGW_PACKAGE_PREFIX}-qt5")
 source=("http://doxygen.nl/files/${_realname}-${pkgver}.src.tar.gz"
         cmake-mingw.patch)
-sha256sums=('18173d9edc46d2d116c1f92a95d683ec76b6b4b45b817ac4f245bb1073d00656'
-            'bb12012480dfdd2f6e520408a0ea60136d6e82bc4edf049ea3c87afe210d4bef')
+sha256sums=('e0db6979286fd7ccd3a99af9f97397f2bae50532e4ecb312aa18862f8401ddec'
+            '3fa830b53238a38230db8e1743c667d7ea59821db25d2c9e60dccbd04123cd56')
 
 apply_patch_with_msg() {
   for _patch in "$@"
diff --git a/mingw-w64-doxygen/cmake-mingw.patch b/mingw-w64-doxygen/cmake-mingw.patch
index 2212201801..18512414e3 100644
--- a/mingw-w64-doxygen/cmake-mingw.patch
+++ b/mingw-w64-doxygen/cmake-mingw.patch
@@ -49,15 +49,3 @@
      set(CompilerFlags
          CMAKE_CXX_FLAGS
          CMAKE_CXX_FLAGS_DEBUG
- 
---- doxygen-1.8.14/src/CMakeLists.txt.orig	2017-10-31 17:36:00.000000000 -0200
-+++ doxygen-1.8.14/src/CMakeLists.txt	2018-04-22 04:38:33.575840700 -0300
-@@ -262,7 +262,7 @@
-     add_definitions(${LLVM_DEFINITIONS})
-     llvm_map_components_to_libnames(llvm_libs support core option)
-     target_compile_definitions(doxygen PRIVATE ${LLVM_DEFINITIONS})
--    set(CLANG_LIBS libclang clangTooling ${llvm_libs})
-+    set(CLANG_LIBS libclang clangTooling ${llvm_libs} CACHE INTERNAL "")
- endif()
- 
- target_link_libraries(doxygen