diff --git a/build.gradle b/build.gradle
index 313c5916..a7b469c0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -94,7 +94,7 @@ if (project.hasProperty("signing.keyId")) {
 }
 
 dependencies {
-    compile group: 'org.bitcoinj', name: 'bitcoinj-core', version: '0.14.7'
+    compile group: 'org.bitcoinj', name: 'bitcoinj-core', version: '0.15.6'
     compile group: 'org.bouncycastle', name: 'bcprov-jdk15on', version: '1.62'
     compile group: 'com.google.code.gson', name: 'gson', version: '2.8.6'
     compile 'com.google.guava:guava:28.0-jre'