diff --git a/build.gradle b/build.gradle
index 64e6b108ee93c3be9c6d3238f1ecce8479032ac2..bef93ec035bc70c6d35d22d910ec3d99dc9ce04e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -49,6 +49,8 @@ description = 'PhD project of Nikolaus Krismer'
 
 ext {
 	isRelease = false
+	versionFindbugs = '2.0.3'
+	versionJacoco = '+'
 }
 
 if (!version.matches(~/[0-9\.]*(-SNAPSHOT)?/)) {
@@ -128,7 +130,7 @@ buildscript {
 
 dependencies {
 	compile group: 'com.fasterxml.jackson.core', name: 'jackson-databind', version: '2.+'
-	compile group: 'com.google.code.findbugs', name: 'annotations', version: '+'
+	compile group: 'com.google.code.findbugs', name: 'annotations', version: versionFindbugs
 	compile group: 'com.jolbox', name: 'bonecp', version: '+'
 	compile group: 'com.tngtech.java', name: 'config-builder', version: '1.+'
 	compile group: 'org.postgresql', name: 'postgresql', version: '9.2-1004-jdbc41'
@@ -205,14 +207,14 @@ eclipse {
 }
 
 findbugs {
-	effort = 'max'
+//	effort = 'max'
 	ignoreFailures = true
-	reportLevel = 'low'
-	toolVersion = '+'
+//	reportLevel = 'low'
+	toolVersion = versionFindbugs
 }
 
 jacoco {
-	toolVersion = '+'
+	toolVersion = versionJacoco
 }
 
 jar {