diff --git a/pkgs/applications/misc/prusa-slicer/281-dependencies.patch b/pkgs/applications/misc/prusa-slicer/281-dependencies.patch
deleted file mode 100644
index e677eb1d23b07..0000000000000
--- a/pkgs/applications/misc/prusa-slicer/281-dependencies.patch
+++ /dev/null
@@ -1,51 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index 31cb4c0ff..42c38102c 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -247,6 +247,8 @@ if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
-     find_package(Threads REQUIRED)
- 
-     find_package(DBus REQUIRED)
-+    pkg_check_modules(DBUS REQUIRED dbus-1)
-+    include_directories(${DBUS_INCLUDE_DIRS})
- endif()
- 
- if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUXX)
-@@ -371,10 +373,13 @@ endif()
- # boost::process was introduced first in version 1.64.0,
- # boost::beast::detail::base64 was introduced first in version 1.66.0
- set(MINIMUM_BOOST_VERSION "1.66.0")
--set(_boost_components "system;filesystem;thread;log;locale;regex;chrono;atomic;date_time;iostreams;nowide")
-+# set(Boost_USE_STATIC_LIBS ON)
-+find_package(Boost REQUIRED COMPONENTS log)
-+set(_boost_components "system;filesystem;thread;log;log_setup;locale;regex;chrono;atomic;date_time;iostreams;nowide")
- find_package(Boost ${MINIMUM_BOOST_VERSION} REQUIRED COMPONENTS ${_boost_components})
-+include_directories(${BOOST_INCLUDE_DIRS})
- 
--find_package(Eigen3 3.3.7 REQUIRED)
-+find_package(Eigen3 3.3.7 REQUIRED NO_MODULE)
- 
- add_library(boost_libs INTERFACE)
- add_library(boost_headeronly INTERFACE)
-diff --git a/src/slic3r/CMakeLists.txt b/src/slic3r/CMakeLists.txt
-index 78369233d..1f9c40aaf 100644
---- a/src/slic3r/CMakeLists.txt
-+++ b/src/slic3r/CMakeLists.txt
-@@ -383,6 +383,7 @@ set(SLIC3R_GUI_SOURCES
- )
- 
- find_package(NanoSVG REQUIRED)
-+find_package(OpenSSL REQUIRED)
- 
- if (APPLE)
-     list(APPEND SLIC3R_GUI_SOURCES
-@@ -438,6 +439,9 @@ target_link_libraries(
-     NanoSVG::nanosvgrast
-     stb_dxt
-     fastfloat
-+    Boost::log
-+    OpenSSL::SSL
-+    OpenSSL::Crypto
- )
- 
- if (MSVC)
diff --git a/pkgs/applications/misc/prusa-slicer/default.nix b/pkgs/applications/misc/prusa-slicer/default.nix
index 6c4e9888d7d3a..97be42a3db5e1 100644
--- a/pkgs/applications/misc/prusa-slicer/default.nix
+++ b/pkgs/applications/misc/prusa-slicer/default.nix
@@ -66,32 +66,18 @@ let
   });
   openvdb_tbb_2021_8 = openvdb.override { tbb = tbb_2021_11; };
   wxGTK-override' = if wxGTK-override == null then wxGTK-prusa else wxGTK-override;
-
-  patches = [
-    ./281-dependencies.patch
-  ];
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "prusa-slicer";
-  version = "2.8.1";
-  inherit patches;
+  version = "2.9.0";
 
   src = fetchFromGitHub {
     owner = "prusa3d";
     repo = "PrusaSlicer";
-    hash = "sha256-nMLZvvZLIOChCLn8A9sOph1lqWsHb00eTG8z98/l0C8=";
+    hash = "sha256-6BrmTNIiu6oI/CbKPKoFQIh1aHEVfJPIkxomQou0xKk=";
     rev = "version_${finalAttrs.version}";
   };
 
-  # required for GCC 14
-  # (not applicable to super-slicer fork)
-  postPatch = lib.optionalString (finalAttrs.pname == "prusa-slicer") ''
-    substituteInPlace src/libslic3r/Arrange/Core/DataStoreTraits.hpp \
-      --replace-fail \
-      "WritableDataStoreTraits<ArrItem>::template set" \
-      "WritableDataStoreTraits<ArrItem>::set"
-  '';
-
   nativeBuildInputs = [
     cmake
     pkg-config