diff --git a/index.d.ts b/index.d.ts
index db79a44..d46afbe 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -685,6 +685,33 @@ declare global {
         stringify(json: any): string
     }
 
+    interface ExecPackage {
+        command(cmd: string, options?: {
+            args?: string[]            
+            stdin?: string
+            dir?: string
+            env?: string[]
+            timeout?: number
+            returnObject?: boolean
+            combineOutput?: boolean
+        }): string
+
+        command<T extends {
+            args?: string[]            
+            stdin?: string
+            dir?: string
+            env?: string[]
+            timeout?: number
+            returnObject?: boolean
+            combineOutput?: boolean
+        }>(cmd: string, options: T): 
+            T['returnObject'] extends true 
+                ? T['combineOutput'] extends true
+                    ? { output: string; exitCode: number }
+                    : { stdout: string; stderr: string; exitCode: number }
+                : string
+    }
+
     export interface HookContext
         extends GetHookData,
             GetHookGetOnlyData,