diff --git a/build.gradle b/build.gradle
index d5c235f..7761d37 100644
--- a/build.gradle
+++ b/build.gradle
@@ -31,6 +31,8 @@ dependencies {
     implementation "org.bouncycastle:bcpg-jdk15on:${bouncyCastleVer}"
     implementation "org.bouncycastle:bcpkix-jdk15on:${bouncyCastleVer}"
 
+    implementation "net.i2p.crypto:eddsa:0.3.0"
+
     implementation 'org.codehaus.groovy:groovy-all:3.0.7'
 
     implementation 'com.google.code.gson:gson:2.8.7'