diff --git a/pom.xml b/pom.xml
index fd2cfd9161c9a6092300cc77fd4bca66c6142857..1b4f19bf580a24d5f83638f3478a3369264957a9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,12 +30,9 @@
 
 		<mockito.version>2.23.0</mockito.version>
 		
-		<springframework.version>4.2.2.RELEASE</springframework.version>
-		<springframework.security.version>4.0.3.RELEASE</springframework.security.version>
-		
-		<springframework.security.oauth.version>2.0.12.RELEASE</springframework.security.oauth.version>
-		
-		<springframework.webflow.version>2.4.2.RELEASE</springframework.webflow.version>
+		<springframework.version>4.3.19.RELEASE</springframework.version>
+		<springframework.security.version>4.2.8.RELEASE</springframework.security.version>
+		<springframework.webflow.version>2.4.8.RELEASE</springframework.webflow.version>
 
 		<xml-apis.version>1.4.01</xml-apis.version>
 		
diff --git a/rest-api/pom.xml b/rest-api/pom.xml
index 41bbb39bfae3d94abdb71d174e5c0bde658f1ce7..cfceaad6eadce75248e3b5842d96e1e243013fdc 100644
--- a/rest-api/pom.xml
+++ b/rest-api/pom.xml
@@ -50,30 +50,9 @@
 			<version>${springframework.webflow.version}</version>
 			<exclusions>
 				<exclusion>
-			    <groupId>org.springframework</groupId>
-    			<artifactId>spring-beans</artifactId>
-				</exclusion>
-				<exclusion>
-			    <groupId>org.springframework</groupId>
-    			<artifactId>spring-context</artifactId>
-				</exclusion>
-				<exclusion>
-			    <groupId>org.springframework</groupId>
-    			<artifactId>spring-core</artifactId>
-				</exclusion>
-				<exclusion>
-			    <groupId>org.springframework</groupId>
-    			<artifactId>spring-expression</artifactId>
-				</exclusion>
-				<exclusion>
-			    <groupId>org.springframework</groupId>
-    			<artifactId>spring-web</artifactId>
-				</exclusion>
-				<exclusion>
     			<groupId>commons-logging</groupId>
     			<artifactId>commons-logging</artifactId>
     		</exclusion>
-				
 			</exclusions>
 			
 		</dependency>
diff --git a/web/pom.xml b/web/pom.xml
index 3239c10ffeb75d78faa1a2e10fc74b950a1bfc6b..7a1b7275c31a260407845c2ec6d64792e00d7564 100644
--- a/web/pom.xml
+++ b/web/pom.xml
@@ -79,30 +79,6 @@
 			<version>${springframework.webflow.version}</version>
 			<exclusions>
 				<exclusion>
-			    <groupId>org.springframework</groupId>
-    			<artifactId>spring-beans</artifactId>
-				</exclusion>
-				<exclusion>
-			    <groupId>org.springframework</groupId>
-    			<artifactId>spring-context</artifactId>
-				</exclusion>
-				<exclusion>
-			    <groupId>org.springframework</groupId>
-    			<artifactId>spring-core</artifactId>
-				</exclusion>
-				<exclusion>
-			    <groupId>org.springframework</groupId>
-    			<artifactId>spring-expression</artifactId>
-				</exclusion>
-				<exclusion>
-			    <groupId>org.springframework</groupId>
-    			<artifactId>spring-web</artifactId>
-				</exclusion>
-				<exclusion>
-			    <groupId>org.springframework</groupId>
-    			<artifactId>spring-webmvc</artifactId>
-				</exclusion>
-				<exclusion>
     			<groupId>commons-logging</groupId>
     			<artifactId>commons-logging</artifactId>
     		</exclusion>