diff --git a/example/yarn.lock b/example/yarn.lock
index 9f8d06f..bd8e34d 100644
--- a/example/yarn.lock
+++ b/example/yarn.lock
@@ -962,9 +962,9 @@ acorn-walk@^6.0.1:
   integrity sha512-7evsyfH1cLOCdAzZAd43Cic04yKydNx0cF+7tiA19p1XnLLPU4dpCQOqpjqwokFe//vS0QqfqqjCS2JkiIs0cA==
 
 acorn@^5.5.3:
-  version "5.7.3"
-  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.3.tgz#67aa231bf8812974b85235a96771eb6bd07ea279"
-  integrity sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==
+  version "5.7.4"
+  resolved "https://registry.yarnpkg.com/acorn/-/acorn-5.7.4.tgz#3e8d8a9947d0599a1796d10225d7432f4a4acf5e"
+  integrity sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==
 
 acorn@^6.0.1:
   version "6.2.0"
@@ -4961,6 +4961,11 @@ react-native-tab-view@^1.2.0, react-native-tab-view@^1.4.1:
   dependencies:
     prop-types "^15.6.1"
 
+react-native-ultrasonic@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/react-native-ultrasonic/-/react-native-ultrasonic-1.0.1.tgz#5aba0d937a8a48378b8863727f3a65b6a6afaebe"
+  integrity sha512-Ga1sF/cL1W0b9imRvYcyFT6z6AguB7+aVZIO6n6YvCie7lp1Qh+l5cGVAeDYj8MVdSX6RGJL/LcoxDj61QJE6w==
+
 react-native@0.59.10:
   version "0.59.10"
   resolved "https://registry.yarnpkg.com/react-native/-/react-native-0.59.10.tgz#352f381e382f93a0403be499c9e384bf51c2591c"