diff --git a/spark/Dockerfile b/spark/Dockerfile
index 0a430a6..215bc40 100644
--- a/spark/Dockerfile
+++ b/spark/Dockerfile
@@ -44,7 +44,7 @@ WORKDIR ${SPARK_HOME}
 
 ENV SPARK_VERSION=3.5.5
 ENV SPARK_MAJOR_VERSION=3.5
-ENV ICEBERG_VERSION=1.8.1
+ENV ICEBERG_VERSION=1.9.0
 
 # Download spark
 RUN mkdir -p ${SPARK_HOME} \
diff --git a/spark/notebooks/Iceberg - An Introduction to the Iceberg Java API using Scala.ipynb b/spark/notebooks/Iceberg - An Introduction to the Iceberg Java API using Scala.ipynb
index 6db9d18..1132194 100644
--- a/spark/notebooks/Iceberg - An Introduction to the Iceberg Java API using Scala.ipynb	
+++ b/spark/notebooks/Iceberg - An Introduction to the Iceberg Java API using Scala.ipynb	
@@ -417,7 +417,7 @@
     "val dataWriter: DataWriter[GenericRecord] =\n",
     "  Parquet.writeData(file)\n",
     "    .schema(schema)\n",
-    "    .createWriterFunc(GenericParquetWriter.buildWriter)\n",
+    "    .createWriterFunc(GenericParquetWriter.buildWriter(_))\n",
     "    .overwrite()\n",
     "    .withSpec(PartitionSpec.unpartitioned())\n",
     "    .build()\n",