diff --git a/.github/workflow_data/devbuild.py b/.github/workflow_data/devbuild.py
index ba30eb9ae..a932cac99 100644
--- a/.github/workflow_data/devbuild.py
+++ b/.github/workflow_data/devbuild.py
@@ -55,7 +55,7 @@ if __name__ == "__main__":
                             "value": f"- [Download Firmware TGZ]({artifact_tgz})\n- [SDK (for development)]({artifact_sdk})"
                         }
                     ],
-                    "timestamp": dt.datetime.now(dt.UTC).isoformat()
+                    "timestamp": dt.datetime.utcnow().isoformat()
                 }
             ],
         },