diff --git a/arc-web/pom.xml b/arc-web/pom.xml
index 675a833b1..7a13ac55f 100644
--- a/arc-web/pom.xml
+++ b/arc-web/pom.xml
@@ -137,7 +137,7 @@
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-core</artifactId>
-			<version>4.1.2.RELEASE</version>
+			<version>4.3.21.RELEASE</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.commons</groupId>
diff --git a/pom.xml b/pom.xml
index a71e6b072..619d7c70a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -116,7 +116,7 @@
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-core</artifactId>
-			<version>4.1.2.RELEASE</version>
+			<version>4.3.21.RELEASE</version>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>