diff --git a/esplugin/README.md b/esplugin/README.md
index c16027b..fe30051 100644
--- a/esplugin/README.md
+++ b/esplugin/README.md
@@ -1,6 +1,6 @@
 # Elasticsearch analysis-emoji plugin
 
-This plugin create a new Tokenizer called `emoji_tokenizer` based on `icu_tokenizer` and the latest (58.2) ICU data.
+This plugin create a new Tokenizer called `emoji_tokenizer` based on `icu_tokenizer` and the latest (59.1) ICU data.
 
 ## Installation
 
@@ -11,8 +11,8 @@ The plugin version must match your Elasticsearch version.
 ```
 bin/elasticsearch-plugin install URL
 
-# For 5.3.0:
-bin/elasticsearch-plugin install https://github.com/jolicode/emoji-search/releases/download/5.3.0/analysis-emoji-5.3.0.zip
+# For 5.3.3:
+bin/elasticsearch-plugin install https://github.com/jolicode/emoji-search/releases/download/5.3.3/analysis-emoji-5.3.3.zip
 ```
 
 ## Versions
@@ -21,6 +21,7 @@ ICU is always up to date to the latest data in this plugin, so upgrading may req
 
 analysis-emoji version and ES version  | Install URL
 -----------|-----------
+5.3.3 (ICU 59.1) | https://github.com/jolicode/emoji-search/releases/download/5.3.3/analysis-emoji-5.3.3.zip
 5.3.0 | https://github.com/jolicode/emoji-search/releases/download/5.3.0/analysis-emoji-5.3.0.zip
 5.2.2 | https://github.com/jolicode/emoji-search/releases/download/5.2.2.1/analysis-emoji-5.2.2.1.zip
 5.2.1 | https://github.com/jolicode/emoji-search/releases/download/5.2.1/analysis-emoji-5.2.1.zip
diff --git a/esplugin/build.gradle b/esplugin/build.gradle
index 06a6b23..8deed0a 100644
--- a/esplugin/build.gradle
+++ b/esplugin/build.gradle
@@ -6,7 +6,7 @@ buildscript {
  }
 
   dependencies {
-    classpath "org.elasticsearch.gradle:build-tools:5.3.0"
+    classpath "org.elasticsearch.gradle:build-tools:5.3.3"
   }
 }
 
@@ -17,7 +17,7 @@ if (GradleVersion.current() != GradleVersion.version('2.13')) {
 }
 
 group = 'org.elasticsearch.plugin'
-version = '5.3.0'
+version = '5.3.3'
 
 apply plugin: 'java'
 apply plugin: 'elasticsearch.esplugin'
@@ -32,7 +32,7 @@ esplugin {
 dependencies {
     compile "org.elasticsearch:elasticsearch:${versions.elasticsearch}"
     compile "org.apache.lucene:lucene-analyzers-icu:${versions.lucene}"
-    compile 'com.ibm.icu:icu4j:58.2'
+    compile 'com.ibm.icu:icu4j:59.1'
     testCompile "org.elasticsearch.test:framework:${versions.elasticsearch}"
 }