diff --git a/pkgs/development/libraries/opencv/4.x.nix b/pkgs/development/libraries/opencv/4.x.nix
index ce7f98223357..664f39c0c6cd 100644
--- a/pkgs/development/libraries/opencv/4.x.nix
+++ b/pkgs/development/libraries/opencv/4.x.nix
@@ -76,20 +76,20 @@
 }:
 
 let
-  version = "4.5.4";
+  version = "4.6.0";
 
   src = fetchFromGitHub {
     owner = "opencv";
     repo = "opencv";
     rev = version;
-    sha256 = "sha256-eIESkc/yYiZZ5iY4t/rAPd+jfjuMYR3srCBC4fO3g70=";
+    sha256 = "sha256-zPkMc6xEDZU5TlBH3LAzvB17XgocSPeHVMG/U6kfpxg=";
   };
 
   contribSrc = fetchFromGitHub {
     owner = "opencv";
     repo = "opencv_contrib";
     rev = version;
-    sha256 = "sha256-RkCIGukZ8KJkmVZQAZTWdVcVKD2I3NcfGShcqzKhQD0=";
+    sha256 = "sha256-hjRqT7V4Sz7t4IEy89F5M+b0x2ObBbqF8GWLKhWFXtE=";
   };
 
   # Contrib must be built in order to enable Tesseract support:
@@ -177,7 +177,7 @@ let
     dst = ".cache/ade";
   };
 
-  # See opencv/modules/wechat_qrcode/CMakeLists.txt
+  # See opencv_contrib/modules/wechat_qrcode/CMakeLists.txt
   wechat_qrcode = {
     src = fetchFromGitHub {
       owner = "opencv";
diff --git a/pkgs/development/libraries/opencv/cmake-don-t-use-OpenCVFindOpenEXR.patch b/pkgs/development/libraries/opencv/cmake-don-t-use-OpenCVFindOpenEXR.patch
index bb398f7546b0..abeb0d9fde4b 100644
--- a/pkgs/development/libraries/opencv/cmake-don-t-use-OpenCVFindOpenEXR.patch
+++ b/pkgs/development/libraries/opencv/cmake-don-t-use-OpenCVFindOpenEXR.patch
@@ -1,8 +1,8 @@
 diff --git a/cmake/OpenCVFindLibsGrfmt.cmake b/cmake/OpenCVFindLibsGrfmt.cmake
-index 23a6ca6959..27e121943a 100644
+index 00886cc131..e412771322 100644
 --- a/cmake/OpenCVFindLibsGrfmt.cmake
 +++ b/cmake/OpenCVFindLibsGrfmt.cmake
-@@ -255,21 +255,12 @@ endif()
+@@ -257,23 +257,12 @@ endif()
  # --- OpenEXR (optional) ---
  if(WITH_OPENEXR)
    ocv_clear_vars(HAVE_OPENEXR)
@@ -20,7 +20,9 @@ index 23a6ca6959..27e121943a 100644
 -    set(OPENEXR_LIBRARIES IlmImf)
 -    add_subdirectory("${OpenCV_SOURCE_DIR}/3rdparty/openexr")
 -    if(OPENEXR_VERSION)  # check via TARGET doesn't work
+-      set(BUILD_OPENEXR ON)
 -      set(HAVE_OPENEXR YES)
+-      set(BUILD_OPENEXR ON)
 -    endif()
 +    set(OPENEXR_INCLUDE_PATHS ${OPENEXR_INCLUDE_DIRS})
 +    set(OPENEXR_LIBRARIES ${OPENEXR_LIBRARIES})