diff --git a/pubspec.lock b/pubspec.lock
index e993e747..9bad0a4a 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -133,7 +133,7 @@ packages:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.5"
+    version: "2.1.4"
   csslib:
     dependency: transitive
     description:
@@ -199,13 +199,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.1"
-  fake_async:
-    dependency: transitive
-    description:
-      name: fake_async
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.0"
   file:
     dependency: transitive
     description:
@@ -468,7 +461,7 @@ packages:
       name: json_rpc_2
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.0"
+    version: "2.1.0"
   launch_review:
     dependency: "direct main"
     description:
@@ -575,7 +568,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.6.4"
   path_provider:
     dependency: transitive
     description:
@@ -645,7 +638,7 @@ packages:
       name: process
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.13"
+    version: "3.0.12"
   provider:
     dependency: "direct main"
     description:
@@ -888,21 +881,21 @@ packages:
       name: test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.7"
+    version: "1.14.4"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.16"
+    version: "0.2.15"
   test_core:
     dependency: transitive
     description:
       name: test_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.7"
+    version: "0.3.4"
   tool_base:
     dependency: transitive
     description: