diff --git a/pom.xml b/pom.xml
index 1451e5741..eeccdce94 100644
--- a/pom.xml
+++ b/pom.xml
@@ -365,7 +365,7 @@
 			<dependency>
 				<groupId>org.springframework</groupId>
 				<artifactId>spring-framework-bom</artifactId>
-				<version>4.3.20.RELEASE</version>
+				<version>4.3.26.RELEASE</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>
@@ -385,13 +385,10 @@
 			<!-- Spring Security -->
 			<dependency>
 				<groupId>org.springframework.security</groupId>
-				<artifactId>spring-security-core</artifactId>
-				<version>4.2.16.RELEASE</version>
-			</dependency>
-			<dependency>
-				<groupId>org.springframework.security</groupId>
-				<artifactId>spring-security-taglibs</artifactId>
-				<version>4.2.16.RELEASE</version>
+				<artifactId>spring-security-bom</artifactId>
+				<version>4.2.18.RELEASE</version>
+				<type>pom</type>
+				<scope>import</scope>
 			</dependency>
 			<dependency>
 				<groupId>org.springframework.security.oauth</groupId>
@@ -633,6 +630,11 @@
 				<artifactId>jsoup</artifactId>
 				<version>1.10.3</version>
 			</dependency>
+			<dependency>
+				<groupId>commons-codec</groupId>
+				<artifactId>commons-codec</artifactId>
+				<version>1.14</version>
+			</dependency>
 		</dependencies>
 	</dependencyManagement>