diff --git a/WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderPostRenderer.kt b/WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderPostRenderer.kt
index 8f09b9adaa06..37443ebb0de8 100644
--- a/WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderPostRenderer.kt
+++ b/WordPress/src/main/java/org/wordpress/android/ui/reader/ReaderPostRenderer.kt
@@ -162,10 +162,12 @@ class ReaderPostRenderer(
 
         // IMPORTANT: use loadDataWithBaseURL() since loadData() may fail
         // https://code.google.com/p/android/issues/detail?id=4401
-        // also important to use null as the baseUrl since onPageFinished
-        // doesn't appear to fire when it's set to an actual url
+        // Use android-app:// scheme as baseUrl to set HTTP referrer for YouTube embeds.
+        // Google requires this for embedded videos to work properly.
+        // https://developers.google.com/youtube/terms/required-minimum-functionality#set-the-referer
+        // https://stackoverflow.com/questions/79761743/youtube-video-in-webview-gives-error-code-153-on-android/79809094#79809094
         webView.loadDataWithBaseURL(
-            null,
+            "https://wordpress.com/reader",
             htmlContent,
             "text/html",
             "UTF-8",
diff --git a/version.properties b/version.properties
index c7dc486f0b19..29675721100f 100644
--- a/version.properties
+++ b/version.properties
@@ -1,2 +1,2 @@
-versionName=26.3
-versionCode=1477
\ No newline at end of file
+versionName=26.3.1
+versionCode=1478
\ No newline at end of file