diff --git a/DEPS b/DEPS
index b429437e..d2b7bd9 100644
--- a/DEPS
+++ b/DEPS
@@ -124,7 +124,7 @@
   "linter_rev": "a8529c6692922b45bc287543b355c90d7b1286d3", # 1.24.0
   "lints_rev": "8294e5648ab49474541527e2911e72e4c5aefe55",
   "logging_rev": "dfbe88b890c3b4f7bc06da5a7b3b43e9e263b688",
-  "markdown_rev": "7479783f0493f6717e1d7ae31cb37d39a91026b2",
+  "markdown_rev": "5699cafa9ef004875fd7de8ae9ea00e5295e87a4", # 5.0.0
   "markupsafe_rev": "8f45f5cfa0009d2a70589bcda0349b8cb2b72783",
   "matcher_rev": "07595a7739d47a8315caba5a8e58fb9ae3d81261",
   "mime_rev": "c2c5ffd594674f32dc277521369da1557a1622d3",
diff --git a/pkg/vm_service/pubspec.yaml b/pkg/vm_service/pubspec.yaml
index 59c815c..f8855a0 100644
--- a/pkg/vm_service/pubspec.yaml
+++ b/pkg/vm_service/pubspec.yaml
@@ -15,7 +15,7 @@
   async: ^2.5.0
   expect: any
   lints: any
-  markdown: ^4.0.0
+  markdown: ^5.0.0
   mockito: any
   path: ^1.8.0
   process: ^4.0.0