diff --git a/with-react-native-calendars/package.json b/with-react-native-calendars/package.json
index 5c1f1ea..95ed2e4 100644
--- a/with-react-native-calendars/package.json
+++ b/with-react-native-calendars/package.json
@@ -9,7 +9,7 @@
     "expo": "^29.0.0",
     "react": "16.3.1",
     "react-native": "https://github.com/expo/react-native/archive/sdk-29.0.0.tar.gz",
-    "react-native-calendars": "1.9.3",
+    "react-native-calendars": "^1.20.0",
     "react-navigation": "^2.9.3"
   }
 }
diff --git a/with-react-native-calendars/yarn.lock b/with-react-native-calendars/yarn.lock
index 3fb5841..ebaea53 100644
--- a/with-react-native-calendars/yarn.lock
+++ b/with-react-native-calendars/yarn.lock
@@ -2707,6 +2707,10 @@ lodash.escape@^3.0.0:
   dependencies:
     lodash._root "^3.0.0"
 
+lodash.get@^4.4.2:
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
+
 lodash.isarguments@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz#2f573d85c6a24289ff00663b491c1d338ff3458a"
@@ -2715,6 +2719,10 @@ lodash.isarray@^3.0.0:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/lodash.isarray/-/lodash.isarray-3.0.4.tgz#79e4eb88c36a8122af86f844aa9bcd851b5fbb55"
 
+lodash.isequal@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/lodash.isequal/-/lodash.isequal-4.5.0.tgz#415c4478f2bcc30120c22ce10ed3226f7d3e18e0"
+
 lodash.keys@^3.0.0:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/lodash.keys/-/lodash.keys-3.1.2.tgz#4dbc0472b156be50a0b286855d1bd0b0c656098a"
@@ -3509,10 +3517,12 @@ react-native-branch@2.2.5:
   version "2.2.5"
   resolved "https://registry.yarnpkg.com/react-native-branch/-/react-native-branch-2.2.5.tgz#4074dd63b4973e6397d9ce50e97b57c77a518e9d"
 
-react-native-calendars@1.9.3:
-  version "1.9.3"
-  resolved "https://registry.yarnpkg.com/react-native-calendars/-/react-native-calendars-1.9.3.tgz#1e28558488daafd2f4c0e116c4b0ae47fd6b4d8f"
+react-native-calendars@^1.20.0:
+  version "1.20.0"
+  resolved "https://registry.yarnpkg.com/react-native-calendars/-/react-native-calendars-1.20.0.tgz#97d8fcc1b391019ef4fd103db06443cce517954f"
   dependencies:
+    lodash.get "^4.4.2"
+    lodash.isequal "^4.5.0"
     prop-types "^15.5.10"
     xdate "^0.8.0"