diff --git a/package.json b/package.json
index 7655bc0..8283b06 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
   "dependencies": {
     "fb-watchman": "^2.0.1",
     "glob": "^7.2.0",
-    "jayson": "^3.6.6",
+    "jayson": "^4.1.1",
     "jest-worker": "^27.4.6",
     "sane": "^5.0.1",
     "yargs": "^17.3.1"
diff --git a/yarn.lock b/yarn.lock
index b7cfc13..4d05ac5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1459,15 +1459,6 @@
   dependencies:
     "@types/node" "*"
 
-"@types/express-serve-static-core@^4.17.9":
-  version "4.17.21"
-  resolved "https://registry.yarnpkg.com/@types/express-serve-static-core/-/express-serve-static-core-4.17.21.tgz#a427278e106bca77b83ad85221eae709a3414d42"
-  integrity sha512-gwCiEZqW6f7EoR8TTEfalyEhb1zA5jQJnRngr97+3pzMaO1RKoI1w2bw07TK72renMUVWcWS5mLI6rk1NqN0nA==
-  dependencies:
-    "@types/node" "*"
-    "@types/qs" "*"
-    "@types/range-parser" "*"
-
 "@types/graceful-fs@^4.1.2":
   version "4.1.5"
   resolved "https://registry.yarnpkg.com/@types/graceful-fs/-/graceful-fs-4.1.5.tgz#21ffba0d98da4350db64891f92a9e5db3cdb4e15"
@@ -1494,11 +1485,6 @@
   dependencies:
     "@types/istanbul-lib-report" "*"
 
-"@types/lodash@^4.14.159":
-  version "4.14.170"
-  resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.170.tgz#0d67711d4bf7f4ca5147e9091b847479b87925d6"
-  integrity sha512-bpcvu/MKHHeYX+qeEN8GE7DIravODWdACVA1ctevD8CN24RhPZIKMn9ntfAsrvLfSX3cR5RrBKAbYm9bGs0A+Q==
-
 "@types/node@*":
   version "15.12.0"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-15.12.0.tgz#6a459d261450a300e6865faeddb5af01c3389bb3"
@@ -1514,16 +1500,6 @@
   resolved "https://registry.yarnpkg.com/@types/prettier/-/prettier-2.2.3.tgz#ef65165aea2924c9359205bf748865b8881753c0"
   integrity sha512-PijRCG/K3s3w1We6ynUKdxEc5AcuuH3NBmMDP8uvKVp6X43UY7NQlTzczakXP3DJR0F4dfNQIGjU2cUeRYs2AA==
 
-"@types/qs@*":
-  version "6.9.6"
-  resolved "https://registry.yarnpkg.com/@types/qs/-/qs-6.9.6.tgz#df9c3c8b31a247ec315e6996566be3171df4b3b1"
-  integrity sha512-0/HnwIfW4ki2D8L8c9GVcG5I72s9jP5GSLVF0VIXDW00kmIpA6O33G7a8n59Tmh7Nz0WUC3rSb7PTY/sdW2JzA==
-
-"@types/range-parser@*":
-  version "1.2.3"
-  resolved "https://registry.yarnpkg.com/@types/range-parser/-/range-parser-1.2.3.tgz#7ee330ba7caafb98090bece86a5ee44115904c2c"
-  integrity sha512-ewFXqrQHlFsgc09MK5jP5iR7vumV/BYayNC6PgJO2LPe8vrnNFyjQjSppfEngITi0qvfKtzFvgKymGheFM9UOA==
-
 "@types/stack-utils@^2.0.0":
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/@types/stack-utils/-/stack-utils-2.0.0.tgz#7036640b4e21cc2f259ae826ce843d277dad8cff"
@@ -2767,14 +2743,12 @@ istanbul-reports@^3.1.3:
     html-escaper "^2.0.0"
     istanbul-lib-report "^3.0.0"
 
-jayson@^3.6.6:
-  version "3.6.6"
-  resolved "https://registry.yarnpkg.com/jayson/-/jayson-3.6.6.tgz#189984f624e398f831bd2be8e8c80eb3abf764a1"
-  integrity sha512-f71uvrAWTtrwoww6MKcl9phQTC+56AopLyEenWvKVAIMz+q0oVGj6tenLZ7Z6UiPBkJtKLj4kt0tACllFQruGQ==
+jayson@^4.1.1:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/jayson/-/jayson-4.1.2.tgz#443c26a8658703e0b2e881117b09395d88b6982e"
+  integrity sha512-5nzMWDHy6f+koZOuYsArh2AXs73NfWYVlFyJJuCedr93GpY+Ku8qq10ropSXVfHK+H0T6paA88ww+/dV+1fBNA==
   dependencies:
     "@types/connect" "^3.4.33"
-    "@types/express-serve-static-core" "^4.17.9"
-    "@types/lodash" "^4.14.159"
     "@types/node" "^12.12.54"
     "@types/ws" "^7.4.4"
     JSONStream "^1.3.5"
@@ -2784,9 +2758,8 @@ jayson@^3.6.6:
     eyes "^0.1.8"
     isomorphic-ws "^4.0.1"
     json-stringify-safe "^5.0.1"
-    lodash "^4.17.20"
     uuid "^8.3.2"
-    ws "^7.4.5"
+    ws "^7.5.10"
 
 jest-changed-files@^27.4.2:
   version "27.4.2"
@@ -3325,7 +3298,7 @@ lodash.merge@^4.6.2:
   resolved "https://registry.yarnpkg.com/lodash.merge/-/lodash.merge-4.6.2.tgz#558aa53b43b661e1925a0afdfa36a9a1085fe57a"
   integrity sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==
 
-lodash@^4.17.20, lodash@^4.7.0:
+lodash@^4.7.0:
   version "4.17.21"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
   integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
@@ -4194,6 +4167,11 @@ ws@^7.4.5:
   resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.6.tgz#5654ca8ecdeee47c33a9a4bf6d28e2be2980377c"
   integrity sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==
 
+ws@^7.5.10:
+  version "7.5.10"
+  resolved "https://registry.yarnpkg.com/ws/-/ws-7.5.10.tgz#58b5c20dc281633f6c19113f39b349bd8bd558d9"
+  integrity sha512-+dbF1tHwZpXcbOJdVOkzLDxZP1ailvSxM6ZweXTegylPny803bFhA+vqBYw4s31NSAk4S2Qz+AKXK9a4wkdjcQ==
+
 xml-name-validator@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/xml-name-validator/-/xml-name-validator-3.0.0.tgz#6ae73e06de4d8c6e47f9fb181f78d648ad457c6a"