diff --git a/types/google-publisher-tag/google-publisher-tag-tests.ts b/types/google-publisher-tag/google-publisher-tag-tests.ts
index e8362772069560..a588dd956b9771 100644
--- a/types/google-publisher-tag/google-publisher-tag-tests.ts
+++ b/types/google-publisher-tag/google-publisher-tag-tests.ts
@@ -1,5 +1,5 @@
-// Tests for Google Publisher Tag 1.20260824
-// Synced from: https://github.com/googleads/google-publisher-tag-types/commit/c9af1388d24849433a5993fef761df200f3b3e91
+// Tests for Google Publisher Tag 1.20260831
+// Synced from: https://github.com/googleads/google-publisher-tag-types/commit/b049077b5364a6f8c7f606b3bf6636cfff156910
 
 // Test for googletag.cmd
 function test_googletag_cmd() {
diff --git a/types/google-publisher-tag/index.d.ts b/types/google-publisher-tag/index.d.ts
index 32129101ef57c3..e2cdfaeddedc62 100644
--- a/types/google-publisher-tag/index.d.ts
+++ b/types/google-publisher-tag/index.d.ts
@@ -1873,7 +1873,7 @@ declare namespace googletag {
     /**
      * The size string where the ad container takes 100% width of its parent div and
      * then resizes its height to fit the creative content. Similar to how regular
-     * block elements on a page behave. Used for native ads (see
+     * block elements on a page behave. Used for native and banner ads (see
      * [related article](https://support.google.com/admanager/answer/6366845)).
      */
     type FluidSize = "fluid";
@@ -1885,7 +1885,7 @@ declare namespace googletag {
      *
      * - **fluid**: the ad container takes 100% width of its parent div and then
      *   resizes its height to fit the creative content. Similar to how regular block
-     *   elements on a page behave. Used for native ads (see
+     *   elements on a page behave. Used for native and banner ads (see
      *   [related article](https://support.google.com/admanager/answer/6366845)).
      *   Note that both `fluid` and `['fluid']` are acceptable forms to declare a
      *   slot size as fluid.
diff --git a/types/google-publisher-tag/package.json b/types/google-publisher-tag/package.json
index afae6db7a0393b..88e7dad7e55a23 100644
--- a/types/google-publisher-tag/package.json
+++ b/types/google-publisher-tag/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@types/google-publisher-tag",
-    "version": "1.20260824.9999",
+    "version": "1.20260831.9999",
     "nonNpm": "conflict",
     "nonNpmDescription": "Google Publisher Tag",
     "projects": [