diff --git a/packages/light.js/example-react/yarn.lock b/packages/light.js/example-react/yarn.lock
index e4ab9def..b25e8925 100644
--- a/packages/light.js/example-react/yarn.lock
+++ b/packages/light.js/example-react/yarn.lock
@@ -1394,19 +1394,19 @@
   resolved "https://registry.yarnpkg.com/@nodelib/fs.stat/-/fs.stat-1.1.3.tgz#2b5a3ab3f918cca48a8c754c08168e3f03eba61b"
   integrity sha512-shAmDyaQC4H92APFoIaVDHCx5bStIocgvbwQyxPRrbUY20V1EYTbSDchWbuwlMG3V17cprZhA6+78JfB+3DTPw==
 
-"@parity/abi@^5.1.16":
-  version "5.1.16"
-  resolved "https://registry.yarnpkg.com/@parity/abi/-/abi-5.1.16.tgz#6bea8ecef4dec47d285337eb1863a34e261d1b5b"
-  integrity sha512-CmEj8j4gwAIda5yzcgCv9M+i1Mdms+cEJko+r5JVq5CdxdVvGURXdx+4zsqzI/0EUUoTpikXiU9mgNZlk+xSlw==
+"@parity/abi@^5.1.19":
+  version "5.1.19"
+  resolved "https://registry.yarnpkg.com/@parity/abi/-/abi-5.1.19.tgz#7d3b5f994e0a8f4f32a81e11cbf4aa71075aa6b1"
+  integrity sha512-V6BSPFKmD2RY7iFWpi6YDTAzDz7Kyc0MuUYmlUjukldLNPCB2cvOZvoBP6ETck6nGNa1nMU6HWd0PFmuvi70HQ==
   dependencies:
     bignumber.js "^8.0.1"
     js-sha3 "0.8.0"
     utf8 "^3.0.0"
 
-"@parity/api@../../api", "@parity/api@^5.1.16":
-  version "5.1.16"
+"@parity/api@../../api", "@parity/api@^5.1.19":
+  version "5.1.19"
   dependencies:
-    "@parity/abi" "^5.1.16"
+    "@parity/abi" "^5.1.19"
     bignumber.js "^8.0.1"
     blockies "0.0.2"
     es6-error "4.0.2"
@@ -1419,16 +1419,16 @@
     websocket "^1.0.25"
 
 "@parity/light.js-react@../../light.js-react":
-  version "5.1.16"
+  version "5.1.19"
   dependencies:
     recompose "^0.30.0"
     symbol-observable "^1.2.0"
 
 "@parity/light.js@../":
-  version "5.1.16"
+  version "5.1.19"
   dependencies:
-    "@parity/abi" "^5.1.16"
-    "@parity/api" "^5.1.16"
+    "@parity/abi" "^5.1.19"
+    "@parity/api" "^5.1.19"
     async-retry "^1.2.3"
     bignumber.js "^8.0.1"
     debug "^4.1.0"
@@ -9431,9 +9431,9 @@ querystring@0.2.0:
   integrity sha1-sgmEkgO7Jd+CDadW50cAWHhSFiA=
 
 querystringify@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.1.1.tgz#60e5a5fd64a7f8bfa4d2ab2ed6fdf4c85bad154e"
-  integrity sha512-w7fLxIRCRT7U8Qu53jQnJyPkYZIaR4n5151KMfcJlO/A9397Wxb1amJvROTK6TOnp7PfoAmg/qXiNHI+08jRfA==
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/querystringify/-/querystringify-2.2.0.tgz#3345941b4153cb9d082d8eee4cda2016a9aef7f6"
+  integrity sha512-FIqgj2EUvTa7R50u0rGsyTftzjYmv/a3hO345bZNrqabNqjtgiDMgmo4mkUjd+nzU5oF3dClKqFIPUKybUyqoQ==
 
 raf@^3.4.1:
   version "3.4.1"
@@ -11473,9 +11473,9 @@ url-loader@2.3.0:
     schema-utils "^2.5.0"
 
 url-parse@^1.4.3:
-  version "1.4.7"
-  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.4.7.tgz#a8a83535e8c00a316e403a5db4ac1b9b853ae278"
-  integrity sha512-d3uaVyzDB9tQoSXFvuSUNFibTd9zxd2bkVrDRvF5TmvWWQwqE4lgYJ5m+x1DbecWkw+LK4RNl2CU1hHuOKPVlg==
+  version "1.5.7"
+  resolved "https://registry.yarnpkg.com/url-parse/-/url-parse-1.5.7.tgz#00780f60dbdae90181f51ed85fb24109422c932a"
+  integrity sha512-HxWkieX+STA38EDk7CE9MEryFeHCKzgagxlGvsdS7WBImq9Mk+PGwiT56w82WI3aicwJA8REp42Cxo98c8FZMA==
   dependencies:
     querystringify "^2.1.1"
     requires-port "^1.0.0"