diff --git a/.dart_tool/package_config.json b/.dart_tool/package_config.json
index 284ed913ae5..8839a05b8d3 100644
--- a/.dart_tool/package_config.json
+++ b/.dart_tool/package_config.json
@@ -11,7 +11,7 @@
     "constraint, update this by running tools/generate_package_config.dart."
   ],
   "configVersion": 2,
-  "generated": "2021-12-10T17:31:54.553345",
+  "generated": "2021-12-22T16:24:00.538300",
   "generator": "tools/generate_package_config.dart",
   "packages": [
     {
@@ -629,7 +629,7 @@
       "name": "source_span",
       "rootUri": "../third_party/pkg/source_span",
       "packageUri": "lib/",
-      "languageVersion": "2.12"
+      "languageVersion": "2.14"
     },
     {
       "name": "sourcemap_testing",
@@ -817,4 +817,4 @@
       "languageVersion": "2.12"
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/DEPS b/DEPS
index b98102b0c95..081dd131644 100644
--- a/DEPS
+++ b/DEPS
@@ -152,7 +152,7 @@ vars = {
   "source_map_stack_trace_rev": "1c3026f69d9771acf2f8c176a1ab750463309cce",
   "source_maps-0.9.4_rev": "38524",
   "source_maps_rev": "6499ee3adac8d469e2953e2e8ba4bdb4c2fbef90",
-  "source_span_rev": "1be3c44045a06dff840d2ed3a13e6082d7a03a23",
+  "source_span_rev": "dc189b455d823e2919667f6c5dcb41ab7483bce0",
   "sse_rev": "9084339389eb441d0c0518cddac211a097e78657",
   "stack_trace_rev": "5220580872625ddee41e9ca9a5f3364789b2f0f6",
   "stream_channel_rev": "3fa3e40c75c210d617b8b943b9b8f580e9866a89",