diff --git a/RELEASENOTE.md b/RELEASENOTE.md
index ec441180f..799ddd723 100644
--- a/RELEASENOTE.md
+++ b/RELEASENOTE.md
@@ -5,7 +5,7 @@ Selenese Runner Java Relase Note
 
 * Fix to output an error if the specified profile does not exist.
 * Add local file detector for file uploading by RemoteWebDriver. (#231)
-* Catch up Selenium 3.2.0.
+* Catch up Selenium 3.3.1.
 * Update dependency versions.
 
 ### 3.2.0
diff --git a/pom.xml b/pom.xml
index c0739b52c..05f18c72c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,7 +49,7 @@ It supports test-case and test-suite which are Selenium IDE's native format.</de
     <source.version>1.8</source.version>
     <target.version>1.8</target.version>
     <skipTests>true</skipTests>
-    <selenium.version>3.2.0</selenium.version>
+    <selenium.version>3.3.1</selenium.version>
     <htmlunit-driver.version>2.25</htmlunit-driver.version>
     <httpclient.version>4.5.3</httpclient.version>
     <httpcore.version>4.4.6</httpcore.version>