diff --git a/opencv-clean.sh b/opencv-clean.sh
index 2a29de3..21c4be2 100755
--- a/opencv-clean.sh
+++ b/opencv-clean.sh
@@ -1,27 +1,32 @@
 #!/bin/bash
 
-VERSION=4.3.0
+VERSION=4.5.0
 
 rm -rf opencv-${VERSION}/
 wget -c https://github.com/opencv/opencv/archive/${VERSION}/opencv-${VERSION}.tar.gz
 tar xf opencv-${VERSION}.tar.gz
 cd opencv-${VERSION}/
-find ./ -iname "len*.*" -exec rm {} +
-rm -rf modules/xfeatures2d/
+find -iname "*lena*" -exec rm {} ';' -print
+find -iname "*lenna*" -exec rm {} ';' -print
+rm -r modules/xfeatures2d/
 cd ..; tar zcf opencv-clean-${VERSION}.tar.gz opencv-${VERSION}/
-rm -rf opencv-${VERSION}/
+rm -r opencv-${VERSION}/
 
 rm -rf opencv_contrib-${VERSION}/
 wget -c https://github.com/opencv/opencv_contrib/archive/${VERSION}/opencv_contrib-${VERSION}.tar.gz
 tar xf opencv_contrib-${VERSION}.tar.gz
 cd opencv_contrib-${VERSION}/
-rm -rf modules/xfeatures2d/
+find -iname "*lena*" -exec rm {} ';' -print
+find -iname "*lenna*" -exec rm {} ';' -print
+rm -r modules/xfeatures2d/
 cd ..; tar zcf opencv_contrib-clean-${VERSION}.tar.gz opencv_contrib-${VERSION}/
-rm -rf opencv_contrib-${VERSION}/
+rm -r opencv_contrib-${VERSION}/
 
 rm -rf opencv_extra-${VERSION}/
 wget -c https://github.com/opencv/opencv_extra/archive/${VERSION}/opencv_extra-${VERSION}.tar.gz
 tar xf opencv_extra-${VERSION}.tar.gz
-find opencv_extra-${VERSION} \( -iname "len*.*" -o -iname "*lena*.png" -o -iname "*lena*.jpg" \) -exec rm {} +
+find opencv_extra-${VERSION} -iname "*lena*" -exec rm {} ';' -print
+find opencv_extra-${VERSION} -iname "*lenna*" -exec rm {} ';' -print
+find opencv_extra-${VERSION} \( -iname "len*.*" -o -iname "*lena*.png" -o -iname "*lena*.jpg" \) -exec rm {} ';' -print
 tar zcf opencv_extra-clean-${VERSION}.tar.gz opencv_extra-${VERSION}/
-rm -rf opencv_extra-${VERSION}/
+rm -r opencv_extra-${VERSION}/
diff --git a/opencv.spec b/opencv.spec
index 3aaca28..1135cf5 100644
--- a/opencv.spec
+++ b/opencv.spec
@@ -6,17 +6,7 @@
 %bcond_without  gstreamer
 %bcond_with     eigen2
 %bcond_without  eigen3
-%ifnarch ppc64le
 %bcond_without  opencl
-%else
-# https://bugzilla.redhat.com/show_bug.cgi?id=1487174
-# fixed on f30
-%if 0%{?fedora} > 29
-%bcond_without  opencl
-%else
-%bcond_with     opencl
-%endif
-%endif
 %ifarch %{ix86} x86_64 %{arm}
 %bcond_without  openni
 %else
@@ -49,18 +39,13 @@
 %endif
 
 %global srcname opencv
-%global abiver  4.3
 
-# Required because opencv-core has lot of spurious dependencies
-# (despite supposed to be "-core")
-# TODO: to be fixed properly upstream
-# https://github.com/opencv/opencv/issues/7001
-%global optflags %(echo %{optflags} -Wl,--as-needed )
 
 Name:           opencv
-Version:        4.3.0
+Version:        4.5.0
 %global javaver %(foo=%{version}; echo ${foo//./})
-Release:        9%{?dist}
+%global abiver  %(foo=%{version}; echo ${foo:0:3})
+Release:        1%{?dist}
 Summary:        Collection of algorithms for computer vision
 # This is normal three clause BSD.
 License:        BSD
@@ -79,10 +64,6 @@ Source4:        b624b995ec9c439cbc2e9e6ee940d3a2-v0.1.1f.zip
 Source5:        xorg.conf
 
 Patch0:         opencv-4.1.0-install_3rdparty_licenses.patch
-Patch1:         https://patch-diff.githubusercontent.com/raw/opencv/opencv/pull/17431.patch
-Patch2:         https://patch-diff.githubusercontent.com/raw/opencv/opencv_contrib/pull/2549.patch
-# Comment out removed vulkan symbols
-Patch3:         opencv_vulkan.patch
 
 BuildRequires:  gcc-c++
 BuildRequires:  libtool
@@ -149,6 +130,7 @@ BuildRequires:  qt5-qtbase-devel
 BuildRequires:  libGL-devel
 BuildRequires:  libGLU-devel
 BuildRequires:  hdf5-devel
+BuildRequires:  openjpeg2-devel
 # Module opencv_ovis disabled because of incompatible OGRE3D version < 1.10
 # BuildRequires:  ogre-devel
 %{?with_vtk:BuildRequires: vtk-devel}
@@ -260,11 +242,8 @@ popd &>/dev/null
 %endif
 
 %patch0 -p1 -b .install_3rdparty_licenses
-%patch1 -p1
-%patch3 -p1
 
 pushd %{name}_contrib-%{version}
-%patch2 -p1
 popd
 
 # Install face_landmark_model
@@ -464,6 +443,7 @@ ln -s -r %{buildroot}%{_jnidir}/opencv-%{javaver}.jar %{buildroot}%{_jnidir}/ope
 %{_libdir}/libopencv_hdf.so.%{abiver}*
 %{_libdir}/libopencv_img_hash.so.%{abiver}*
 %{_libdir}/libopencv_line_descriptor.so.%{abiver}*
+%{_libdir}/libopencv_mcc.so.%{abiver}*
 %{_libdir}/libopencv_optflow.so.%{abiver}*
 %{_libdir}/libopencv_phase_unwrapping.so.%{abiver}*
 %{_libdir}/libopencv_plot.so.%{abiver}*
@@ -481,6 +461,13 @@ ln -s -r %{buildroot}%{_jnidir}/opencv-%{javaver}.jar %{buildroot}%{_jnidir}/ope
 %{_libdir}/libopencv_xphoto.so.%{abiver}*
 
 %changelog
+* Thu Oct 15 2020 Sérgio Basto <sergio@serjux.com> - 4.5.0-1
+- Update 4.5.0
+
+* Wed Oct 07 2020 Sérgio Basto <sergio@serjux.com> - 4.4.0-1
+- Update 4.4.0
+- opencv_vulkan.patch already applied in upstream
+
 * Thu Sep 24 2020 Adrian Reber <adrian@lisas.de> - 4.3.0-9
 - Rebuilt for protobuf 3.13
 
diff --git a/opencv_vulkan.patch b/opencv_vulkan.patch
deleted file mode 100644
index 3a322a7..0000000
--- a/opencv_vulkan.patch
+++ /dev/null
@@ -1,28 +0,0 @@
-diff -rupN opencv-4.2.0/modules/dnn/src/vkcom/vulkan/function_list.inl.hpp opencv-4.2.0-new/modules/dnn/src/vkcom/vulkan/function_list.inl.hpp
---- opencv-4.2.0/modules/dnn/src/vkcom/vulkan/function_list.inl.hpp	2019-12-20 14:44:16.000000000 +0100
-+++ opencv-4.2.0-new/modules/dnn/src/vkcom/vulkan/function_list.inl.hpp	2020-05-21 12:39:08.652679166 +0200
-@@ -254,15 +254,15 @@ VK_FUNC(vkCmdDrawIndirectCountAMD)
- VK_FUNC(vkCmdDrawIndexedIndirectCountAMD)
- VK_FUNC(vkGetShaderInfoAMD)
- VK_FUNC(vkGetPhysicalDeviceExternalImageFormatPropertiesNV)
--VK_FUNC(vkCmdProcessCommandsNVX)
--VK_FUNC(vkCmdReserveSpaceForCommandsNVX)
--VK_FUNC(vkCreateIndirectCommandsLayoutNVX)
--VK_FUNC(vkDestroyIndirectCommandsLayoutNVX)
--VK_FUNC(vkCreateObjectTableNVX)
--VK_FUNC(vkDestroyObjectTableNVX)
--VK_FUNC(vkRegisterObjectsNVX)
--VK_FUNC(vkUnregisterObjectsNVX)
--VK_FUNC(vkGetPhysicalDeviceGeneratedCommandsPropertiesNVX)
-+// VK_FUNC(vkCmdProcessCommandsNVX)
-+// VK_FUNC(vkCmdReserveSpaceForCommandsNVX)
-+// VK_FUNC(vkCreateIndirectCommandsLayoutNVX)
-+// VK_FUNC(vkDestroyIndirectCommandsLayoutNVX)
-+// VK_FUNC(vkCreateObjectTableNVX)
-+// VK_FUNC(vkDestroyObjectTableNVX)
-+// VK_FUNC(vkRegisterObjectsNVX)
-+// VK_FUNC(vkUnregisterObjectsNVX)
-+// VK_FUNC(vkGetPhysicalDeviceGeneratedCommandsPropertiesNVX)
- VK_FUNC(vkCmdSetViewportWScalingNV)
- VK_FUNC(vkReleaseDisplayEXT)
- VK_FUNC(vkGetPhysicalDeviceSurfaceCapabilities2EXT)
diff --git a/sources b/sources
index 09e268e..7fdf782 100644
--- a/sources
+++ b/sources
@@ -1,5 +1,5 @@
-SHA512 (opencv-clean-4.3.0.tar.gz) = f582ffc45d1143abf62eac7d6ed416986e6aa0e26d9a4a2cb4d88458e1eecb24ad33570dccd99004998a4899b0a9c05de7dfa405564c0e59bc91a48b7e9d2343
-SHA512 (b624b995ec9c439cbc2e9e6ee940d3a2-v0.1.1f.zip) = f2994d5e92a2ae05cee6e153943afe151ce734ced6e06dcdb02dee9fed9336a7f1ea69661d9e033f1412fbb5e2a44a6e641662c85be5ba0604d0446abeabe836
-SHA512 (opencv_contrib-clean-4.3.0.tar.gz) = bc4f88f3624cf4aed237f8cf36ef62b20f31205e891948797e416faa5e1dd215d1bad85506aa4afacb5c11988a6fc3f81f282fd82fe491f5ffa070f97cc793d5
+SHA512 (opencv-clean-4.5.0.tar.gz) = 536897f0fddaadb4cf5b23df7703e0826852867fdef0d9b9ee029c2c8df374246b9cb78795d1e8e4ef6da3285e1b6e4c74bea7aee16e974694d1ffa7a1d1d09f
+SHA512 (opencv_contrib-clean-4.5.0.tar.gz) = b9b42630847f0fbe083d2a3c8816ca676de668e25194b623973f351ba579a39144c858749087fc723333d41f44b0e0e30dd0ce86353e63ca3e4939fa590e0aea
+SHA512 (opencv_extra-clean-4.5.0.tar.gz) = 410693ca3a976ccf146ea04d5efa3a808f89c880b88dfa10dc9e7f1f37f639d4a3629fd5c402f44f2a68b22f6e7986ceb285d18a13af56ca866d49c4c6936180
 SHA512 (face_landmark_model.dat.xz) = 7558f29431bb9cad1f22ee067ad3ed41be8f68b865992eb7d3a5ce6b6b9e1d031cb03e33c3c149220ef8faebd0471703a8a3bbb06402bcc8ce76bd28317aa307
-SHA512 (opencv_extra-clean-4.3.0.tar.gz) = 0f9f8b027ed7a105a6ed09d8953bb5d8c44a03ea99495aaf1dd4380a1488ca1acc614ad160a59080be4723469116d1213f3af6dfda0062d56f3575f6d2179bc4
+SHA512 (b624b995ec9c439cbc2e9e6ee940d3a2-v0.1.1f.zip) = f2994d5e92a2ae05cee6e153943afe151ce734ced6e06dcdb02dee9fed9336a7f1ea69661d9e033f1412fbb5e2a44a6e641662c85be5ba0604d0446abeabe836