diff --git a/pkgs/development/tools/misc/gdbgui/default.nix b/pkgs/development/tools/misc/gdbgui/default.nix
index a82ff178c9e..e953fa0ba40 100644
--- a/pkgs/development/tools/misc/gdbgui/default.nix
+++ b/pkgs/development/tools/misc/gdbgui/default.nix
@@ -2,80 +2,35 @@
 , buildPythonApplication
 , fetchPypi
 , gdb
-, flask
-, six
-, bidict
-, python-engineio
-, python-socketio
 , flask-socketio
 , flask-compress
 , pygdbmi
 , pygments
-, gevent
-, gevent-websocket
-, eventlet
 , }:
 
-let
-  # gdbgui only works with the latest previous major version of flask-socketio,
-  # which depends itself on the latest previous major versions of dependencies.
-  python-engineio' = python-engineio.overridePythonAttrs (old: rec {
-    version = "3.14.2";
-    src = fetchPypi {
-      inherit (old) pname;
-      inherit version;
-      sha256 = "119halljynqsgswlhlh750qv56js1p7j52sc0nbwxh8450zmbd7a";
-    };
-    propagatedBuildInputs = [ six ];
-    doCheck = false;
-  });
-  python-socketio' = python-socketio.overridePythonAttrs (old: rec {
-    version = "4.6.1";
-    src = fetchPypi {
-      inherit (old) pname;
-      inherit version;
-      sha256 = "047syhrrxh327p0fnab0d1zy25zijnj3gs1qg3kjpsy1jaj5l7yd";
-    };
-    propagatedBuildInputs = [ bidict python-engineio' ];
-    doCheck = false;
-  });
-  flask-socketio' = flask-socketio.overridePythonAttrs (old: rec {
-    version = "4.3.2";
-    src = fetchPypi {
-      inherit (old) pname;
-      inherit version;
-      sha256 = "0s2xs9kv9cbwy8bcxszhdwlcb9ldv0fj33lwilf5vypj0wsin01p";
-    };
-    propagatedBuildInputs = [ flask python-socketio' ];
-    doCheck = false;
-  });
-in
 buildPythonApplication rec {
   pname = "gdbgui";
-  version = "0.14.0.2";
+
+  version = "0.15.0.1";
+
 
   buildInputs = [ gdb ];
   propagatedBuildInputs = [
-    flask
-    flask-socketio'
+    flask-socketio
     flask-compress
     pygdbmi
     pygments
-    gevent
-    gevent-websocket
-    eventlet
   ];
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "1v6wwsncgnhlg5c7gsmzcp52hfblfnz5kf5pk4d0zybflsxak02d";
+    sha256 = "sha256-bwrleLn3GBx4Mie2kujtaUo+XCALM+hRLySIZERlBg0=";
   };
 
   postPatch = ''
     echo ${version} > gdbgui/VERSION.txt
     # remove upper version bound
-    sed -ie 's!, <.*"!"!' setup.py
-    sed -i 's/greenlet==/greenlet>=/' setup.py
+    sed -ie 's!,.*<.*!!' requirements.in
   '';
 
   postInstall = ''