diff --git a/.dart_tool/package_config.json b/.dart_tool/package_config.json
index 0c72699b775..aff0dd8cb4c 100644
--- a/.dart_tool/package_config.json
+++ b/.dart_tool/package_config.json
@@ -408,7 +408,7 @@
       "name": "mime",
       "rootUri": "../third_party/pkg/mime",
       "packageUri": "lib/",
-      "languageVersion": "2.0"
+      "languageVersion": "2.12"
     },
     {
       "name": "mockito",
diff --git a/DEPS b/DEPS
index 5bd58891a7a..690a3f3948f 100644
--- a/DEPS
+++ b/DEPS
@@ -123,7 +123,7 @@ vars = {
   "markupsafe_rev": "8f45f5cfa0009d2a70589bcda0349b8cb2b72783",
   "markdown_rev": "6f89681d59541ddb1cf3a58efbdaa2304ffc3f51",
   "matcher_rev": "9cae8faa7868bf3a88a7ba45eb0bd128e66ac515",
-  "mime_rev": "07635f7774447503248fbc6afb3911e9000a477e",
+  "mime_rev": "c931f4bed87221beaece356494b43731445ce7b8",
   "mockito_rev": "d39ac507483b9891165e422ec98d9fb480037c8b",
   "mustache_rev": "664737ecad027e6b96d0d1e627257efa0e46fcb1",
   "oauth2_tag": "1.6.0",