diff --git a/pkgs/tools/networking/slirp4netns/default.nix b/pkgs/tools/networking/slirp4netns/default.nix
index 62c4e8c76a66..828e3e1ad0c5 100644
--- a/pkgs/tools/networking/slirp4netns/default.nix
+++ b/pkgs/tools/networking/slirp4netns/default.nix
@@ -12,13 +12,13 @@
 
 stdenv.mkDerivation rec {
   pname = "slirp4netns";
-  version = "1.2.0";
+  version = "1.2.1";
 
   src = fetchFromGitHub {
     owner = "rootless-containers";
     repo = "slirp4netns";
     rev = "v${version}";
-    sha256 = "sha256-wVisE4YAK52yfeM2itnBqCmhRKlrKRs0NEppQzZPok8=";
+    sha256 = "sha256-Lq3MMIPPEo1yJZ/xE3m9Y/V+cJl17IRkTBVjnr/avHw=";
   };
 
   nativeBuildInputs = [ autoreconfHook pkg-config ];