diff --git a/build.gradle b/build.gradle
index c17c45a..ff7bc80 100644
--- a/build.gradle
+++ b/build.gradle
@@ -36,5 +36,5 @@ subprojects {
 }
 
 task wrapper(type: Wrapper) {
-    gradleVersion = '3.5'
+    gradleVersion = '4.3.1'
 }
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 857a3a7..05b3e27 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 663b3c7..c2782a1 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Fri Apr 14 07:01:05 CEST 2017
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.5-bin.zip
+#Sat Nov 18 09:30:43 CET 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.3.1-bin.zip
diff --git a/pdb-ui/build.gradle b/pdb-ui/build.gradle
index 28ddf2e..d6b12dc 100644
--- a/pdb-ui/build.gradle
+++ b/pdb-ui/build.gradle
@@ -1,29 +1,29 @@
-
-apply plugin: 'application'
-
-
-mainClassName = "org.lucares.pdbui.PdbWebapp"
-applicationDefaultJvmArgs = [
-	"-Dspring.profiles.active=production", 
-	"-Dspring.config.location=.",
-	"-Ddb.base=data"
-	]
-
-dependencies {
-	compile project(':performanceDb')
-	compile project(':pdb-plotting')
-	
-	compile('org.springframework.boot:spring-boot-starter-mustache:1.5.7.RELEASE') {
-		exclude module: 'spring-boot-starter-logging'
-	}
-	compile("org.springframework.boot:spring-boot-starter-web:1.5.7.RELEASE"){
-		exclude module: 'spring-boot-starter-logging'
-	}
-	compile("org.springframework.boot:spring-boot-starter-log4j2:1.5.7.RELEASE")
-	
-	testCompile("org.springframework.boot:spring-boot-starter-test:1.5.7.RELEASE")
-}
-
-jar {
-    exclude 'application-dev.properties'
+
+apply plugin: 'application'
+
+
+mainClassName = "org.lucares.pdbui.PdbWebapp"
+applicationDefaultJvmArgs = [
+	"-Dspring.profiles.active=production", 
+	"-Dspring.config.location=.",
+	"-Ddb.base=data"
+	]
+
+dependencies {
+	compile project(':performanceDb')
+	compile project(':pdb-plotting')
+	
+	compile('org.springframework.boot:spring-boot-starter-mustache:1.5.8.RELEASE') {
+		exclude module: 'spring-boot-starter-logging'
+	}
+	compile("org.springframework.boot:spring-boot-starter-web:1.5.8.RELEASE"){
+		exclude module: 'spring-boot-starter-logging'
+	}
+	compile("org.springframework.boot:spring-boot-starter-log4j2:1.5.8.RELEASE")
+	
+	testCompile("org.springframework.boot:spring-boot-starter-test:1.5.8.RELEASE")
+}
+
+jar {
+    exclude 'application-dev.properties'
 }
\ No newline at end of file