diff --git a/build.gradle b/build.gradle
index 32574433..318b47f7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,13 +24,13 @@ dependencies {
 	compile \
 		fileTree(dir: "${webAppDirName}/WEB-INF/lib", include: '*.jar'),
 		'commons-codec:commons-codec:1.6',
-		'commons-lang:commons-lang:2.5',
+		'commons-lang:commons-lang:2.6',
 		'com.hynnet:commons-lang3:3.3.2',
 		'org.apache.derby:derby:10.8.2.2',
 		'org.glassfish.jersey.core:jersey-server:2.27',
 		'org.glassfish.jersey.containers:jersey-container-servlet:2.27',
 		'org.glassfish.jersey.inject:jersey-hk2:2.27',
-		'log4j:log4j:1.2.16',
+		'log4j:log4j:1.2.17',
 		'org.apache.wink:wink-json4j:1.4'
 	providedCompile \
 		'javax:javaee-api:7.0'