diff --git a/pkgs/development/libraries/imgui/default.nix b/pkgs/development/libraries/imgui/default.nix
index 73bc80ef9d5b..79186d9149f7 100644
--- a/pkgs/development/libraries/imgui/default.nix
+++ b/pkgs/development/libraries/imgui/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "imgui";
-  version = "1.90";
+  version = "1.90.1";
 
   src = fetchFromGitHub {
     owner = "ocornut";
     repo = "imgui";
     rev = "v${version}";
-    sha256 = "sha256-rJMWCPVhho34NcPvJZaB5d6EbZkJyLXEfeotplOOaiA=";
+    sha256 = "sha256-gf47uLeNiXQic43buB5ZnMqiotlUfIyAsP+3H7yJuFg=";
   };
 
   dontBuild = true;
diff --git a/pkgs/development/libraries/imtui/default.nix b/pkgs/development/libraries/imtui/default.nix
index e534a55ae5a4..86b488c1a888 100644
--- a/pkgs/development/libraries/imtui/default.nix
+++ b/pkgs/development/libraries/imtui/default.nix
@@ -8,6 +8,7 @@
 , withCurl ? (!withEmscripten), curl
 , withNcurses ? (!withEmscripten), ncurses
 , static ? withEmscripten
+, darwin
 }:
 
 stdenv.mkDerivation rec {
@@ -25,10 +26,14 @@ stdenv.mkDerivation rec {
 
   buildInputs = lib.optional withEmscripten emscripten
     ++ lib.optional withCurl curl
-    ++ lib.optional withNcurses ncurses;
+    ++ lib.optional withNcurses ncurses
+    ++ lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Cocoa;
 
   postPatch = ''
     cp -r ${imgui}/include/imgui third-party/imgui
+  '' + lib.optionalString (lib.versionAtLeast imgui.version "1.90.1") ''
+    substituteInPlace src/imtui-impl-{emscripten,ncurses}.cpp \
+      --replace "ImGuiKey_KeyPadEnter" "ImGuiKey_KeypadEnter"
   '';
 
   cmakeFlags = [
@@ -54,5 +59,6 @@ stdenv.mkDerivation rec {
     changelog = "https://github.com/ggerganov/imtui/blob/${src.rev}/CHANGELOG.md";
     license = licenses.mit;
     maintainers = with maintainers; [ azahi ];
+    platforms = platforms.unix;
   };
 }