diff --git a/pkgs/tools/graphics/gmic-qt/default.nix b/pkgs/tools/graphics/gmic-qt/default.nix
index 518c7a35c810..8cc39c1f44af 100644
--- a/pkgs/tools/graphics/gmic-qt/default.nix
+++ b/pkgs/tools/graphics/gmic-qt/default.nix
@@ -56,48 +56,42 @@ assert lib.assertMsg (builtins.all (d: d != null) variants.${variant}.extraDeps
 
 mkDerivation rec {
   pname = "gmic-qt${lib.optionalString (variant != "standalone") "-${variant}"}";
-  version = "2.7.1";
+  version = "3.0.0";
 
   gmic-community = fetchFromGitHub {
     owner = "dtschump";
     repo = "gmic-community";
-    rev = "3fd528f20a2a7d651e96078c205ff21efb9cdd1a";
-    sha256 = "08d37b49qgh5d4rds7hvr5wjj4p1y8cnbidz1cyqsibq0555pwq2";
+    rev = "df23b08bc52767762f0e38d040cd8ffeea4b865e";
+    sha256 = "euk5RsFPBgx2czAukPRdi/O4ahgXO8J8VJdiGHNge5M=";
   };
 
   CImg = fetchFromGitHub {
     owner = "dtschump";
     repo = "CImg";
     rev = "v.${version}";
-    sha256 = "1mfkjvf5r3ppc1dd6yvqn7xlhgzfg9k1k5v2sq2k9m70g8p7rgpd";
+    sha256 = "dC4VuWTz0uyFxLjBQ+2ggndHaCErcoI7tJMfkqbWmeg=";
   };
 
   gmic_stdlib = fetchurl {
     name = "gmic_stdlib.h";
     url = "http://gmic.eu/gmic_stdlib${lib.replaceStrings ["."] [""] version}.h";
-    sha256 = "0v12smknr1s44s6wq2gbnw0hb98xrwp6i3zg9wf49cl7s9qf76j3";
+    sha256 = "CAYSxw5NCmE29hie1/J1csBcdQvIrmZ/+mNMl0sLLGI=";
   };
 
   gmic = fetchFromGitHub {
     owner = "dtschump";
     repo = "gmic";
     rev = "v.${version}";
-    sha256 = "0pa6kflr1gqgzh8rk7bylvkxs989r5jy0q7b62mnzx8895slwfb5";
+    sha256 = "PyeJmjOqjbHlZ1Xl3IpoOD6oZEcUrHNHqF7Ft1RZDL4=";
   };
 
   gmic_qt = fetchFromGitHub {
     owner = "c-koi";
     repo = "gmic-qt";
     rev = "v.${version}";
-    sha256 = "08a0660083wv5fb1w9qqhm4f8cfwbqq723qzqq647mid1n7sy959";
+    sha256 = "nENXumOArRAHENqnBUjM7m+I5hf/WAFTVfm6cJgnv+0=";
   };
 
-  patches = [
-    # Install GIMP plug-in to a correct destination
-    # https://github.com/c-koi/gmic-qt/pull/78
-    ./fix-gimp-plugin-path.patch
-  ];
-
   nativeBuildInputs = [
     cmake
     pkg-config
@@ -134,8 +128,8 @@ mkDerivation rec {
   '';
 
   postFixup = lib.optionalString (variant == "gimp") ''
-    echo "wrapping $out/${gimp.targetPluginDir}/gmic_gimp_qt"
-    wrapQtApp "$out/${gimp.targetPluginDir}/gmic_gimp_qt"
+    echo "wrapping $out/${gimp.targetPluginDir}/gmic_gimp_qt/gmic_gimp_qt"
+    wrapQtApp "$out/${gimp.targetPluginDir}/gmic_gimp_qt/gmic_gimp_qt"
   '';
 
   passthru = {
diff --git a/pkgs/tools/graphics/gmic-qt/fix-gimp-plugin-path.patch b/pkgs/tools/graphics/gmic-qt/fix-gimp-plugin-path.patch
deleted file mode 100644
index ac0600fb76c3..000000000000
--- a/pkgs/tools/graphics/gmic-qt/fix-gimp-plugin-path.patch
+++ /dev/null
@@ -1,21 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 1483056..26d2b9a 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -473,6 +473,7 @@
- 
-     execute_process(COMMAND gimptool-2.0 --libs-noui OUTPUT_VARIABLE GIMP2_LIBRARIES OUTPUT_STRIP_TRAILING_WHITESPACE)
-     execute_process(COMMAND gimptool-2.0 --cflags-noui OUTPUT_VARIABLE GIMP2_INCLUDE_DIRS OUTPUT_STRIP_TRAILING_WHITESPACE)
-+    execute_process(COMMAND pkg-config gimp-2.0 --define-variable=prefix=${CMAKE_INSTALL_PREFIX} --variable gimplibdir OUTPUT_VARIABLE GIMP2_PKGLIBDIR OUTPUT_STRIP_TRAILING_WHITESPACE)
-     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${GIMP2_INCLUDE_DIRS}")
- 
-     set (gmic_qt_SRCS ${gmic_qt_SRCS} src/Host/Gimp/host_gimp.cpp)
-@@ -484,7 +485,7 @@
-       ${GIMP2_LIBRARIES}
-       ${gmic_qt_LIBRARIES}
-       )
--    install(TARGETS gmic_gimp_qt RUNTIME DESTINATION bin)
-+    install(TARGETS gmic_gimp_qt RUNTIME DESTINATION "${GIMP2_PKGLIBDIR}/plug-ins")
- 
- elseif (${GMIC_QT_HOST} STREQUAL "krita")
-