diff --git a/types/blessed/blessed-tests.ts b/types/blessed/blessed-tests.ts
index 23a5167a65447f..8d8d44860c155d 100644
--- a/types/blessed/blessed-tests.ts
+++ b/types/blessed/blessed-tests.ts
@@ -876,6 +876,22 @@ screen.key("q", function() {
 
 screen.render();
 
+// Adding align and valign properties to Box element
+
+const box8 = blessed.box({
+    left: 1,
+    top: 2,
+    height: 6,
+    width: 8,
+    content: "test",
+    style: {
+        bg: "green",
+    },
+});
+
+box8.align = "center";
+box8.valign = "middle";
+
 // https://github.com/chjj/blessed/blob/master/test/program-mouse.js
 
 const program = blessed.program({
diff --git a/types/blessed/index.d.ts b/types/blessed/index.d.ts
index 7256d88dd0f78f..7c4043c8907e85 100644
--- a/types/blessed/index.d.ts
+++ b/types/blessed/index.d.ts
@@ -2183,6 +2183,12 @@ export namespace Widgets {
          * Original options object.
          */
         options: BoxOptions;
+
+        /**
+         * Content/Text alignment
+         */
+        align: "left" | "center" | "right";
+        valign: "top" | "middle" | "bottom";
     }
 
     interface TextOptions extends ElementOptions {