diff --git a/assets/licenses.yaml b/assets/licenses.yaml
index b0be8b7a..dd8a03b5 100644
--- a/assets/licenses.yaml
+++ b/assets/licenses.yaml
@@ -182,7 +182,7 @@ dependencies:
 
   - name: markdown
     kind: dart-package
-    version: "7.2.2"
+    version: "7.3.1"
     homepage: https://pub.dev/packages/markdown
     license: BSD-3-Clause
     purpose: >-
diff --git a/pubspec.lock b/pubspec.lock
index 066fda04..d782da07 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -302,10 +302,10 @@ packages:
     dependency: "direct main"
     description:
       name: markdown
-      sha256: ef2a1298144e3f985cc736b22e0ccdaf188b5b3970648f2d9dc13efd1d9df051
+      sha256: ee85086ad7698b42522c6ad42fe195f1b9898e4d974a1af4576c1a3a176cada9
       url: "https://pub.dev"
     source: hosted
-    version: "7.2.2"
+    version: "7.3.1"
   matcher:
     dependency: transitive
     description:
@@ -625,4 +625,4 @@ packages:
     version: "3.1.3"
 sdks:
   dart: ">=3.12.0 <4.0.0"
-  flutter: ">=3.32.0"
+  flutter: ">=3.35.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 12a41596..e23b227c 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -54,10 +54,7 @@ dependencies:
 
   jovial_svg: 1.1.30
 
-  # Held at 7.2.2: 7.3.1 requires Dart ^3.9.0, which would raise our
-  # environment floor below; only minor fixes behind it, no advisory. Bump
-  # alongside a deliberate SDK-floor decision (T-353).
-  markdown: 7.2.2
+  markdown: 7.3.1
 
   flutter_widget_from_html_core: 0.17.2