diff --git a/blogserver/pom.xml b/blogserver/pom.xml
index 215beab7..4e764ac8 100644
--- a/blogserver/pom.xml
+++ b/blogserver/pom.xml
@@ -41,7 +41,7 @@
 		<dependency>
 			<groupId>commons-codec</groupId>
 			<artifactId>commons-codec</artifactId>
-			<version>1.11</version>
+			<version>1.13</version>
 		</dependency>
 		<dependency>
 			<groupId>mysql</groupId>