diff --git a/source/tasks/OctoCli/OctoCliV5/octoCli.ts b/source/tasks/OctoCli/OctoCliV5/octoCli.ts
index 0abb837d..f268b425 100644
--- a/source/tasks/OctoCli/OctoCliV5/octoCli.ts
+++ b/source/tasks/OctoCli/OctoCliV5/octoCli.ts
@@ -1,12 +1,14 @@
 import { OctoServerConnectionDetails } from "../../Utils/connection";
 import { executeTask } from "../../Utils/octopusTasks";
 import { OctopusToolRunner } from "../../Utils/tool";
+import * as tasks from "azure-pipelines-task-lib";
 
 export class OctoCli {
     constructor(readonly tool: OctopusToolRunner, readonly command: string, readonly connection: OctoServerConnectionDetails) {}
 
     public async run(args: string | undefined) {
         this.tool.arg(this.command);
+        tasks.warning("This task is using a deprecated version of the Octopus CLI, we recommend using the latest version.");
         await executeTask(this.tool, "(cli;run;v5)", this.connection, "Succeeded executing octo command.", "Failed to execute octo command.", args);
     }
 }