diff --git a/pkgs/tools/networking/openapi-generator-cli/unstable.nix b/pkgs/tools/networking/openapi-generator-cli/unstable.nix
index 33eb33e10b0..9af28b3e09e 100644
--- a/pkgs/tools/networking/openapi-generator-cli/unstable.nix
+++ b/pkgs/tools/networking/openapi-generator-cli/unstable.nix
@@ -1,7 +1,7 @@
 { callPackage, lib, stdenv, fetchurl, jre, makeWrapper }:
 
 let this = stdenv.mkDerivation rec {
-  version = "6.0.0-2021-01-18";  # Also update the fetchurl link
+  version = "6.0.0-2022-03-18";  # Also update the fetchurl link
   pname = "openapi-generator-cli";
 
   jarfilename = "${pname}-${version}.jar";
@@ -11,8 +11,8 @@ let this = stdenv.mkDerivation rec {
   ];
 
   src = fetchurl {
-    url = "https://oss.sonatype.org/content/repositories/snapshots/org/openapitools/openapi-generator-cli/6.0.0-SNAPSHOT/openapi-generator-cli-6.0.0-20210118.082537-4.jar";
-    sha256 = "1ji3yw9dp4srlgqxvb21vrcp2bzj4himxsmp8l8zid9nxsc1m71x";
+    url = "https://oss.sonatype.org/content/repositories/snapshots/org/openapitools/openapi-generator-cli/6.0.0-SNAPSHOT/openapi-generator-cli-6.0.0-20220318.042704-93.jar";
+    sha256 = "1h126kpbnpbrsnjrxb09hzb796dwl4g58d6wrh1hhv8svwy5p0bl";
   };
 
   dontUnpack = true;