diff --git a/build.gradle b/build.gradle
index bf4c14b..e223b6a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,9 +3,11 @@ plugins {
   id 'com.github.ben-manes.versions' version '0.39.0'
 }
 
-version = '0.1'
-
-allprojects { group = 'nl.sikken.bertrik' }
+def isNonStable = { String version ->
+    def stableKeyword = ['RELEASE', 'FINAL', 'GA'].any { it -> version.toUpperCase().contains(it) }
+    def regex = /^[0-9,.v-]+(-r)?$/
+    return !stableKeyword && !(version ==~ regex)
+}
 
 // Define all library dependencies in one file for clarity
 apply from:'dependencies.gradle'
@@ -23,11 +25,12 @@ subprojects {
         mavenCentral()
     }
 
-    spotbugsMain {
-        reports {
-            html {
-                enabled = true
-            }
+    spotbugsMain { reports {html { enabled = true } } }
+
+    // Reject all non stable versions
+    tasks.named("dependencyUpdates").configure {
+        rejectVersionIf {
+            isNonStable(it.candidate.version)
         }
     }
 
diff --git a/dependencies.gradle b/dependencies.gradle
index 5d44816..92299b1 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -8,14 +8,14 @@ ext {
     libraries = [:]
 }
 
-libraries.slf4j = 'org.slf4j:slf4j-api:1.7.26'
-libraries.slf4jlog4j = 'org.slf4j:slf4j-log4j12:1.7.26'
+libraries.slf4j = 'org.slf4j:slf4j-api:1.7.32'
+libraries.slf4jlog4j = 'org.slf4j:slf4j-log4j12:1.7.32'
 
-libraries.jaxb_api = 'javax.xml.bind:jaxb-api:2.3.0'
+libraries.jaxb_api = 'javax.xml.bind:jaxb-api:2.3.1'
 
 libraries.jackson = [
-    'com.fasterxml.jackson.core:jackson-databind:2.12.3',
-    'com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:2.12.3'
+    'com.fasterxml.jackson.core:jackson-databind:2.13.0',
+    'com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:2.13.0'
 ]
 
 libraries.retrofit = [
@@ -32,5 +32,5 @@ libraries.junit = 'junit:junit:4.13.2'
 libraries.mockito = 'org.mockito:mockito-core:3.12.4'
 
 // check libraries
-libraries.spotbugs_annotations = 'com.github.spotbugs:spotbugs-annotations:4.4.0'
+libraries.spotbugs_annotations = 'com.github.spotbugs:spotbugs-annotations:4.4.1'