diff --git a/build.gradle b/build.gradle
index 79ff0eaf..d0ed2f44 100644
--- a/build.gradle
+++ b/build.gradle
@@ -73,7 +73,7 @@ ext {
     junitVersion = '5.8.1'
     junitSuiteVersion = '1.9.0'
     mockitoVersion = '4.6.1'
-    rskjcoreVersion = '6.3.1-RC'
+    rskjcoreVersion = '6.3.1-ARROWHEAD'
 }
 
 dependencies {
diff --git a/gradle/verification-metadata.xml b/gradle/verification-metadata.xml
index be269165..0d5c9b06 100644
--- a/gradle/verification-metadata.xml
+++ b/gradle/verification-metadata.xml
@@ -69,12 +69,12 @@
             <sha256 value="c717c468bfc91536f1dbc0d98d6116a8e7c49fbaff643ef8710e7505cc450878" origin="Generated by Gradle"/>
          </artifact>
       </component>
-      <component group="co.rsk" name="rskj-core" version="6.3.0-ARROWHEAD">
-         <artifact name="rskj-core-6.3.0-ARROWHEAD.jar">
-            <sha256 value="2f74ec8d1c74d9dd20a4c24ee8579a8673d23045cd0b7a32ea4803e638a866d0" origin="Generated by Gradle"/>
+      <component group="co.rsk" name="rskj-core" version="6.3.1-ARROWHEAD">
+         <artifact name="rskj-core-6.3.1-ARROWHEAD.jar">
+            <sha256 value="9e29606d4bd71dd0458ec3eaa61ab4003d6aecad4bf5a5a40cc32d8d6535de75" origin="Generated by Gradle"/>
          </artifact>
-         <artifact name="rskj-core-6.3.0-ARROWHEAD.module">
-            <sha256 value="62ffd85fe346ebe4d806251f38b2d24c22324bda894afca50666779b64ddfa84" origin="Generated by Gradle"/>
+         <artifact name="rskj-core-6.3.1-ARROWHEAD.module">
+            <sha256 value="bb31e2e2b14f9a15f6c7ca2595a7817860334f38f5d7c6e146306275834b7564" origin="Generated by Gradle"/>
          </artifact>
       </component>
       <component group="co.rsk.bitcoinj" name="bitcoinj-thin" version="0.14.4-rsk-15">
diff --git a/src/main/resources/version.properties b/src/main/resources/version.properties
index ef87a87d..a059bab6 100644
--- a/src/main/resources/version.properties
+++ b/src/main/resources/version.properties
@@ -1,2 +1,2 @@
 versionNumber='6.3.1.0'
-modifier="RC"
+modifier="ARROWHEAD"