diff --git a/pkgs/tools/networking/swagger-codegen/default.nix b/pkgs/tools/networking/swagger-codegen/default.nix
index 93fb6e1e358..f2847703bdb 100644
--- a/pkgs/tools/networking/swagger-codegen/default.nix
+++ b/pkgs/tools/networking/swagger-codegen/default.nix
@@ -15,12 +15,12 @@ stdenv.mkDerivation rec {
     sha256 = "04wl5k8k1ziqz7k5w0g7i6zdfn41pbh3k0m8vq434k1886inf8yn";
   };
 
-  phases = [ "installPhase" ];
+  dontUnpack = true;
 
   installPhase = ''
-    install -D "$src" "$out/share/java/${jarfilename}"
+    install -D $src $out/share/java/${jarfilename}
 
-    makeWrapper ${jre}/bin/java $out/bin/swagger-codegen \
+    makeWrapper ${jre}/bin/java $out/bin/${pname} \
       --add-flags "-jar $out/share/java/${jarfilename}"
   '';
 
diff --git a/pkgs/tools/networking/swagger-codegen3/default.nix b/pkgs/tools/networking/swagger-codegen3/default.nix
new file mode 100644
index 00000000000..8fc908a1f2c
--- /dev/null
+++ b/pkgs/tools/networking/swagger-codegen3/default.nix
@@ -0,0 +1,33 @@
+{ lib, stdenv, fetchurl, jre, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  version = "3.0.25";
+  pname = "swagger-codegen";
+
+  jarfilename = "${pname}-cli-${version}.jar";
+
+  nativeBuildInputs = [
+    makeWrapper
+  ];
+
+  src = fetchurl {
+    url = "https://repo1.maven.org/maven2/io/swagger/codegen/v3/${pname}-cli/${version}/${jarfilename}";
+    sha256 = "1rdz45kmmg60fs7ddnla1xq30nah6s6rd18fqbjbjxng8r92brnd";
+  };
+
+  dontUnpack = true;
+
+  installPhase = ''
+    install -D $src $out/share/java/${jarfilename}
+
+    makeWrapper ${jre}/bin/java $out/bin/${pname}3 \
+      --add-flags "-jar $out/share/java/${jarfilename}"
+  '';
+
+  meta = with lib; {
+    description = "Allows generation of API client libraries (SDK generation), server stubs and documentation automatically given an OpenAPI Spec";
+    homepage = "https://github.com/swagger-api/swagger-codegen/tree/3.0.0";
+    license = licenses.asl20;
+    maintainers = [ maintainers._1000101 ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ceb6b1e717f..e1406ca0b9e 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8562,6 +8562,8 @@ in
 
   swagger-codegen = callPackage ../tools/networking/swagger-codegen { };
 
+  swagger-codegen3 = callPackage ../tools/networking/swagger-codegen3 { };
+
   swapview = callPackage ../os-specific/linux/swapview/default.nix { };
 
   swec = callPackage ../tools/networking/swec { };