diff --git a/src/main/java/com/limechain/grandpa/round/GrandpaRound.java b/src/main/java/com/limechain/grandpa/round/GrandpaRound.java
index f5fafa8e..a71df068 100644
--- a/src/main/java/com/limechain/grandpa/round/GrandpaRound.java
+++ b/src/main/java/com/limechain/grandpa/round/GrandpaRound.java
@@ -45,6 +45,9 @@
 @RequiredArgsConstructor
 public class GrandpaRound {
 
+    // Based on https://github.com/paritytech/polkadot/pull/6217
+    public static final long DURATION = 1000;
+
     private final GrandpaRound previous;
     private final BigInteger roundNumber;