diff --git a/build.gradle b/build.gradle
index 08a3acb..ad78d46 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,17 +3,13 @@
 }
 
 repositories {
-	jcenter()
+	mavenCentral()
 }
 
 dependencies {
-	compile group: 'org.bouncycastle', name: 'bcprov-jdk15on', version: '1.66'
+	implementation group: 'org.bouncycastle', name: 'bcprov-jdk15on', version: '1.69'
 
-	testImplementation group: 'junit', name: 'junit', version: '4.12'
-	testImplementation group: 'org.hamcrest', name: 'hamcrest-library', version: '1.3'
+	testImplementation group: 'junit', name: 'junit', version: '4.13.2'
+	testImplementation group: 'org.hamcrest', name: 'hamcrest', version: '2.2'
 
 }
-
-test.onlyIf {
-	project.gradle.startParameter.taskNames.contains(':test');
-}