diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58928aa30d..fc82f74ece 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@ 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)
+ * Bump runtimeVersion to `2025.03.18`.
+ * Upgraded stable Dart analysis SDK to `3.7.2`
+ * Upgraded stable Flutter analysis SDK to `3.29.2`.
+ * Upgraded pana to `0.22.20`.
 
 ## `20250311t101500-all`
  * Bump runtimeVersion to `2025.03.10`.
diff --git a/Dockerfile.worker b/Dockerfile.worker
index 6a45cc674f..459be83079 100644
--- a/Dockerfile.worker
+++ b/Dockerfile.worker
@@ -23,10 +23,10 @@ RUN mkdir -p /home/worker/config/dart-stable
 RUN mkdir -p /home/worker/config/flutter-stable
 
 # Setup Dart SDK into /home/worker/dart/{stable,preview}/
-RUN XDG_CONFIG_HOME=/home/worker/config/dart-stable tool/setup-dart.sh /home/worker/dart/stable 3.7.1
+RUN XDG_CONFIG_HOME=/home/worker/config/dart-stable tool/setup-dart.sh /home/worker/dart/stable 3.7.2
 
 # Setup Flutter SDK into /home/worker/flutter/{stable,preview}/
-RUN XDG_CONFIG_HOME=/home/worker/config/flutter-stable tool/setup-flutter.sh /home/worker/flutter/stable 3.29.1
+RUN XDG_CONFIG_HOME=/home/worker/config/flutter-stable tool/setup-flutter.sh /home/worker/flutter/stable 3.29.2
 
 # Setup webp
 RUN tool/setup-webp.sh /home/worker/bin
diff --git a/app/lib/shared/versions.dart b/app/lib/shared/versions.dart
index 40847a29e5..0c697a9e42 100644
--- a/app/lib/shared/versions.dart
+++ b/app/lib/shared/versions.dart
@@ -24,10 +24,10 @@ final RegExp runtimeVersionPattern = RegExp(r'^\d{4}\.\d{2}\.\d{2}$');
 /// when the version switch happens.
 const _acceptedRuntimeVersions = <String>[
   // The current [runtimeVersion].
-  '2025.03.10',
+  '2025.03.18',
   // Fallback runtime versions.
+  '2025.03.10',
   '2025.03.03',
-  '2025.02.25',
 ];
 
 /// Sets the current runtime versions.
@@ -62,8 +62,8 @@ bool shouldGCVersion(String version) =>
 
 // keep in-sync with SDK version in .mono_repo.yml and Dockerfile
 final String runtimeSdkVersion = '3.7.0';
-final String toolStableDartSdkVersion = '3.7.1';
-final String toolStableFlutterSdkVersion = '3.29.1';
+final String toolStableDartSdkVersion = '3.7.2';
+final String toolStableFlutterSdkVersion = '3.29.2';
 
 final semanticToolStableDartSdkVersion =
     Version.parse(toolStableDartSdkVersion);
diff --git a/app/pubspec.yaml b/app/pubspec.yaml
index 219af50369..aa3268a303 100644
--- a/app/pubspec.yaml
+++ b/app/pubspec.yaml
@@ -46,7 +46,7 @@ dependencies:
   watcher: ^1.0.0
   yaml: ^3.1.0
   # pana version to be pinned
-  pana: '0.22.19'
+  pana: '0.22.20'
   # 3rd-party packages with pinned versions
   mailer: '6.3.0'
   ulid: '2.0.1'
diff --git a/app/test/task/testdata/goldens/packages/oxygen/score.html b/app/test/task/testdata/goldens/packages/oxygen/score.html
index 46092fedcb..fbc4fa454e 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/score.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/score.html
@@ -261,7 +261,7 @@ <h3>
                                 <code>description</code>
                                 field of
                                 <code>pubspec.yaml</code>
-                                . Use 60 to 180 characters to describe the package, what it does, and its target use case.
+                                . Use 50 to 180 characters to describe the package, what it does, and its target use case.
                               </p>
                             </details>
                             <details>
diff --git a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/score.html b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/score.html
index 5186ae6c3e..59995c4e88 100644
--- a/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/score.html
+++ b/app/test/task/testdata/goldens/packages/oxygen/versions/1.0.0/score.html
@@ -265,7 +265,7 @@ <h3>
                                 <code>description</code>
                                 field of
                                 <code>pubspec.yaml</code>
-                                . Use 60 to 180 characters to describe the package, what it does, and its target use case.
+                                . Use 50 to 180 characters to describe the package, what it does, and its target use case.
                               </p>
                             </details>
                             <details>
diff --git a/pkg/pub_worker/pubspec.yaml b/pkg/pub_worker/pubspec.yaml
index 7a37231e61..230e2744e6 100644
--- a/pkg/pub_worker/pubspec.yaml
+++ b/pkg/pub_worker/pubspec.yaml
@@ -10,7 +10,7 @@ dependencies:
   appengine: ^0.13.6
   json_annotation: ^4.3.0
   jsontool: ^2.0.0
-  pana: ^0.22.19
+  pana: ^0.22.20
   path: ^1.8.0
   lints: ^5.0.0 # required for pana
   meta: ^1.7.0
diff --git a/pubspec.lock b/pubspec.lock
index a32f04e3fa..ae27ed15e0 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -626,10 +626,10 @@ packages:
     dependency: transitive
     description:
       name: pana
-      sha256: "2190c23df74361a9e7e2030ab96a7a2b5f05d301fe632a6a1a3153570c37c8a4"
+      sha256: "4bbeb13e05992b4c82f1902c5872d9c3dff6beca0f86cc843cc9e587f41d17b8"
       url: "https://pub.dev"
     source: hosted
-    version: "0.22.19"
+    version: "0.22.20"
   path:
     dependency: transitive
     description: