diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2b45903862a..e7d333794ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -170,6 +170,8 @@ Updates the Linter to `1.34.0-dev`, which includes changes that
 - update `unnecessary_parenthesis` to allow parentheses in more null-aware
   cascade contexts.
 - update `unreachable_from_main` to track static elements.
+- update `unnecessary_null_checks` to not report on arguments passed to
+  `Future.value` or `Completer.complete`.
 
 #### Migration tool removal
 
diff --git a/DEPS b/DEPS
index 5992f394955..ca31c4e450a 100644
--- a/DEPS
+++ b/DEPS
@@ -146,7 +146,7 @@ vars = {
   "http_parser_rev": "b3b283b9f139640b932d604e8815460bbd3ecab5",
   "intl_rev": "fca552f2ec5d682b5fa36f02bdd72a5a4e2edcee",
   "json_rpc_2_rev": "0280ac6cb4f3905d81c47ba927123ba2b95f7940",
-  "linter_rev": "85d62c18e2a353abd4905aaf86e05dd1fc9d7b9a", # 1.34.0-dev
+  "linter_rev": "dcf3a079c573487b6ab64518604e5686be899601", # 1.34.0-dev
   "lints_rev": "dfded5e265015f21ce154577fe8488dc244e33c2",
   "logging_rev": "abef3717d958158eb8b0ddb2871f4b15a9804cd4",
   "markdown_rev": "4befe66d779a84a7a5b386d927284b93ebb169cd",