diff --git a/pkgs/development/libraries/mygui/default.nix b/pkgs/development/libraries/mygui/default.nix
index 4cb475b9a0a..c785e640ccb 100644
--- a/pkgs/development/libraries/mygui/default.nix
+++ b/pkgs/development/libraries/mygui/default.nix
@@ -20,13 +20,13 @@ let
 in
 stdenv.mkDerivation rec {
   pname = "mygui";
-  version = "3.4.1";
+  version = "3.4.2";
 
   src = fetchFromGitHub {
     owner = "MyGUI";
     repo = "mygui";
     rev = "MyGUI${version}";
-    hash = "sha256-5u9whibYKPj8tCuhdLOhL4nDisbFAB0NxxdjU/8izb8=";
+    hash = "sha256-yBV0ImOFJlqBPqqOjXYe4SFO2liSGZCEwvehED5Ubj4=";
   };
 
   patches = [
diff --git a/pkgs/development/libraries/mygui/disable-framework.patch b/pkgs/development/libraries/mygui/disable-framework.patch
index 502e58ac362..d497c862ac8 100644
--- a/pkgs/development/libraries/mygui/disable-framework.patch
+++ b/pkgs/development/libraries/mygui/disable-framework.patch
@@ -1,8 +1,8 @@
 diff --git a/CMake/Utils/MyGUIConfigTargets.cmake b/CMake/Utils/MyGUIConfigTargets.cmake
-index bba3f91..8f4f351 100644
+index 7e279c986..b33f097c0 100644
 --- a/CMake/Utils/MyGUIConfigTargets.cmake
 +++ b/CMake/Utils/MyGUIConfigTargets.cmake
-@@ -477,14 +477,6 @@ function(mygui_config_lib PROJECTNAME)
+@@ -418,15 +418,6 @@ function(mygui_config_lib PROJECTNAME)
  		if (CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang" OR CMAKE_CXX_COMPILER_ID MATCHES "Intel")
  			# add GCC visibility flags to shared library build
  			set_target_properties(${PROJECTNAME} PROPERTIES COMPILE_FLAGS "${MYGUI_GCC_VISIBILITY_FLAGS}")
@@ -12,7 +12,8 @@ index bba3f91..8f4f351 100644
 -				set_target_properties(${PROJECTNAME} PROPERTIES PUBLIC_HEADER "${${PROJECTNAME}_HEADERS}")
 -				set_target_properties(${PROJECTNAME} PROPERTIES OUTPUT_NAME ${PROJECTNAME})
 -				set_target_properties(${PROJECTNAME} PROPERTIES BUILD_WITH_INSTALL_RPATH TRUE)
--				set_target_properties(${PROJECTNAME} PROPERTIES INSTALL_NAME_DIR "@executable_path/../Frameworks")
+-				set_target_properties(${PROJECTNAME} PROPERTIES BUILD_WITH_INSTALL_NAME_DIR TRUE)
+-				set_target_properties(${PROJECTNAME} PROPERTIES INSTALL_NAME_DIR "@executable_path/../lib")
 -			endif (APPLE)
  		endif ()
  	endif (MYGUI_STATIC)