diff --git a/CHANGELOG.md b/CHANGELOG.md
index fd1f0e14a0..e3f206ed04 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@ Important changes to data models, configuration, and migrations between each
 AppEngine version, listed here to ease deployment and troubleshooting.
 
 ## Next Release (replace with git tag when deployed)
+ * Bumped runtimeVersion to `2023.08.16`.
  * Note: Upgraded `package:gcloud`.
  * Note: `analyzer` and `dartdoc` processing is turned off.
 
diff --git a/app/lib/shared/versions.dart b/app/lib/shared/versions.dart
index 6934e943e0..66f552b15f 100644
--- a/app/lib/shared/versions.dart
+++ b/app/lib/shared/versions.dart
@@ -22,10 +22,10 @@ final RegExp runtimeVersionPattern = RegExp(r'^\d{4}\.\d{2}\.\d{2}$');
 /// when the version switch happens.
 const acceptedRuntimeVersions = <String>[
   // The current [runtimeVersion].
-  '2023.08.08',
+  '2023.08.16',
   // Fallback runtime versions.
+  '2023.08.08',
   '2023.08.04',
-  '2023.07.24',
 ];
 
 /// Represents a combined version of the overall toolchain and processing,