diff --git a/pkgs/development/python-modules/supervisor/default.nix b/pkgs/development/python-modules/supervisor/default.nix
index 343aaddfbb5..cee258dbd3a 100644
--- a/pkgs/development/python-modules/supervisor/default.nix
+++ b/pkgs/development/python-modules/supervisor/default.nix
@@ -14,6 +14,13 @@ buildPythonPackage rec {
     sha256 = "64082ebedf6d36ff409ab2878f1aad5c9035f916c5f15a9a1ec7dffc6dfbbed8";
   };
 
+  patches = [
+    # SOMAXCONN limit of glibc-2.31 has been increased from 128 to 4096:
+    # * https://sourceware.org/git/?p=glibc.git;a=commit;h=96958e2700f5b4f4d1183a0606b2b9848a53ea44
+    # * https://github.com/Supervisor/supervisor/issues/1346
+    ./glibc-2.31.patch
+  ];
+
   # wants to write to /tmp/foo which is likely already owned by another
   # nixbld user on hydra
   doCheck = !stdenv.isDarwin;
diff --git a/pkgs/development/python-modules/supervisor/glibc-2.31.patch b/pkgs/development/python-modules/supervisor/glibc-2.31.patch
new file mode 100644
index 00000000000..b2d9564eea1
--- /dev/null
+++ b/pkgs/development/python-modules/supervisor/glibc-2.31.patch
@@ -0,0 +1,13 @@
+diff --git a/supervisor/tests/base.py b/supervisor/tests/base.py
+index 643e609..8aa45e7 100644
+--- a/supervisor/tests/base.py
++++ b/supervisor/tests/base.py
+@@ -358,7 +358,7 @@ class DummySocketConfig:
+         return not self.__eq__(other)
+ 
+     def get_backlog(self):
+-        return 128
++        return 4096
+ 
+     def create_and_bind(self):
+         return DummySocket(self.fd)