diff --git a/build.gradle b/build.gradle
index 5e13ddb..1b33bda 100644
--- a/build.gradle
+++ b/build.gradle
@@ -31,7 +31,7 @@ subprojects {
 	
 	// dependencies that all sub-projects have 
 	dependencies {
-		testCompile group: 'org.testng', name: 'testng', version: '6.10'
+		testCompile group: 'org.testng', name: 'testng', version: '6.11'
 	}
 }
 
diff --git a/pdb-plotting/build.gradle b/pdb-plotting/build.gradle
index bf03ec5..19fcbee 100644
--- a/pdb-plotting/build.gradle
+++ b/pdb-plotting/build.gradle
@@ -1,7 +1,7 @@
 
 dependencies {
 	compile project(':performanceDb')
-	compile 'com.fasterxml.jackson.core:jackson-databind:2.8.7'
+	compile 'com.fasterxml.jackson.core:jackson-databind:2.8.8'
 	compile 'com.google.guava:guava:21.0'
 }
 
diff --git a/performanceDb/build.gradle b/performanceDb/build.gradle
index 58e98b7..b88e6ac 100644
--- a/performanceDb/build.gradle
+++ b/performanceDb/build.gradle
@@ -1,12 +1,12 @@
 
 dependencies {
 	compile project(':pdb-api')
-	compile 'org.lucares:ludb:1.0.20170218180719'
-	compile 'com.fasterxml.jackson.core:jackson-databind:2.8.7'
+	compile 'org.lucares:ludb:1.0.20170408081113'
+	compile 'com.fasterxml.jackson.core:jackson-databind:2.8.8'
 	
 	
 	
-	compile 'org.apache.logging.log4j:log4j-api:2.8.1'
-	compile 'org.apache.logging.log4j:log4j-core:2.8.1'
-	compile 'org.apache.logging.log4j:log4j-slf4j-impl:2.8.1'
+	compile 'org.apache.logging.log4j:log4j-api:2.8.2'
+	compile 'org.apache.logging.log4j:log4j-core:2.8.2'
+	compile 'org.apache.logging.log4j:log4j-slf4j-impl:2.8.2'
 }