diff --git a/packages/ripple-keypairs/yarn.lock b/packages/ripple-keypairs/yarn.lock
index 23852c50..cf5b61f6 100644
--- a/packages/ripple-keypairs/yarn.lock
+++ b/packages/ripple-keypairs/yarn.lock
@@ -170,15 +170,6 @@
     regexpp "^3.0.0"
     tsutils "^3.17.1"
 
-"@typescript-eslint/experimental-utils@2.21.0":
-  version "2.21.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-2.21.0.tgz#71de390a3ec00b280b69138d80733406e6e86bfa"
-  integrity sha512-olKw9JP/XUkav4lq0I7S1mhGgONJF9rHNhKFn9wJlpfRVjNo3PPjSvybxEldvCXnvD+WAshSzqH5cEjPp9CsBA==
-  dependencies:
-    "@types/json-schema" "^7.0.3"
-    "@typescript-eslint/typescript-estree" "2.21.0"
-    eslint-scope "^5.0.0"
-
 "@typescript-eslint/experimental-utils@2.22.0":
   version "2.22.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/experimental-utils/-/experimental-utils-2.22.0.tgz#4d00c91fbaaa68e56e7869be284999a265707f85"
@@ -198,19 +189,6 @@
     "@typescript-eslint/typescript-estree" "2.22.0"
     eslint-visitor-keys "^1.1.0"
 
-"@typescript-eslint/typescript-estree@2.21.0":
-  version "2.21.0"
-  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-2.21.0.tgz#7e4be29f2e338195a2e8c818949ed0ff727cc943"
-  integrity sha512-NC/nogZNb9IK2MEFQqyDBAciOT8Lp8O3KgAfvHx2Skx6WBo+KmDqlU3R9KxHONaijfTIKtojRe3SZQyMjr3wBw==
-  dependencies:
-    debug "^4.1.1"
-    eslint-visitor-keys "^1.1.0"
-    glob "^7.1.6"
-    is-glob "^4.0.1"
-    lodash "^4.17.15"
-    semver "^6.3.0"
-    tsutils "^3.17.1"
-
 "@typescript-eslint/typescript-estree@2.22.0":
   version "2.22.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-2.22.0.tgz#a16ed45876abf743e1f5857e2f4a1c3199fd219e"
@@ -230,9 +208,9 @@ acorn-jsx@^5.1.0:
   integrity sha512-tMUqwBWfLFbJbizRmEcWSLw6HnFzfdJs2sOJEOwwtVPMoH/0Ay+E703oZz78VSXZiiDcZrQ5XKjPIUQixhmgVw==
 
 acorn@^7.1.0:
-  version "7.1.0"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.1.0.tgz#949d36f2c292535da602283586c2477c57eb2d6c"
-  integrity sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.1.1.tgz#e35668de0b402f359de515c5482a1ab9f89a69bf"
+  integrity sha512-add7dgA5ppRPxCFJoAGfMDi7PIBXq1RtGo7BhbLaxwrXPOmw8gq48Y9ozT01hUKy9byMjlR20EJhu5zlkErEkg==
 
 agent-base@5:
   version "5.1.1"