diff --git a/src/exporters/besu_trace_columns.java b/src/exporters/besu_trace_columns.java
index 80133f3..5192125 100644
--- a/src/exporters/besu_trace_columns.java
+++ b/src/exporters/besu_trace_columns.java
@@ -15,6 +15,7 @@
 
 package net.consensys.linea.zktracer.module.{{ module }};
 
+import java.math.BigInteger;
 import java.nio.MappedByteBuffer;
 import java.util.BitSet;
 import java.util.List;