diff --git a/python/biobear/__init__.py b/python/biobear/__init__.py
index dd61758..72f1f02 100644
--- a/python/biobear/__init__.py
+++ b/python/biobear/__init__.py
@@ -27,6 +27,7 @@
 from biobear.compression import Compression
 
 from .biobear import FileCompressionType
+from .biobear import FastaSequenceDataType
 from .biobear import FASTQReadOptions
 from .biobear import FASTAReadOptions
 from .biobear import VCFReadOptions
@@ -65,6 +66,7 @@
     "compression",
     "Compression",
     "FileCompressionType",
+    "FastaSequenceDataType",
     "FASTQReadOptions",
     "FASTAReadOptions",
     "BCFReadOptions",
diff --git a/python/tests/test_session.py b/python/tests/test_session.py
index 242caa7..8b139ff 100644
--- a/python/tests/test_session.py
+++ b/python/tests/test_session.py
@@ -15,7 +15,6 @@
 from pathlib import Path
 import importlib
 import tempfile
-from biobear.biobear import BEDReadOptions
 import polars as pl
 
 import pytest
@@ -23,9 +22,11 @@
 from biobear import (
     BAMReadOptions,
     connect,
+    FastaSequenceDataType,
     FASTQReadOptions,
     FASTAReadOptions,
     FileCompressionType,
+    BEDReadOptions,
     BCFReadOptions,
     GFFReadOptions,
     VCFReadOptions,
@@ -192,6 +193,20 @@ def test_fasta_sequence_type():
     assert df.get_column("sequence").dtype == pl.List(pl.Int8)
 
 
+def test_fasta_sequence_type_with_options():
+    """Test reading a fasta file."""
+    session = connect()
+
+    df = session.read_fasta_file(
+        str(DATA / "test.fasta"),
+        options=FASTAReadOptions(
+            fasta_sequence_data_type=FastaSequenceDataType.INTEGER_ENCODE_DNA
+        ),
+    ).to_polars()
+
+    assert df.get_column("sequence").dtype == pl.List(pl.Int8)
+
+
 @pytest.mark.skipif(
     not importlib.util.find_spec("polars"), reason="polars not installed"
 )
diff --git a/src/datasources/fasta.rs b/src/datasources/fasta.rs
index 3b243ad..80a15f7 100644
--- a/src/datasources/fasta.rs
+++ b/src/datasources/fasta.rs
@@ -21,19 +21,22 @@ const DEFAULT_FASTA_FILE_EXTENSION: &str = "fasta";
 #[derive(Debug, Clone)]
 #[pyclass]
 pub enum FastaSequenceDataType {
-    Utf8,
-    LargeUtf8,
-    IntegerEncodeDNA,
-    IntegerEncodeProtein,
+    UTF8,
+    #[allow(non_camel_case_types)]
+    LARGE_UTF8,
+    #[allow(non_camel_case_types)]
+    INTEGER_ENCODE_DNA,
+    #[allow(non_camel_case_types)]
+    INTEGER_ENCODE_PROTEIN,
 }
 
 impl From<FastaSequenceDataType> for SequenceDataType {
     fn from(data_type: FastaSequenceDataType) -> Self {
         match data_type {
-            FastaSequenceDataType::Utf8 => SequenceDataType::Utf8,
-            FastaSequenceDataType::LargeUtf8 => SequenceDataType::LargeUtf8,
-            FastaSequenceDataType::IntegerEncodeDNA => SequenceDataType::IntegerEncodeDNA,
-            FastaSequenceDataType::IntegerEncodeProtein => SequenceDataType::IntegerEncodeProtein,
+            FastaSequenceDataType::UTF8 => SequenceDataType::Utf8,
+            FastaSequenceDataType::LARGE_UTF8 => SequenceDataType::LargeUtf8,
+            FastaSequenceDataType::INTEGER_ENCODE_DNA => SequenceDataType::IntegerEncodeDNA,
+            FastaSequenceDataType::INTEGER_ENCODE_PROTEIN => SequenceDataType::IntegerEncodeProtein,
         }
     }
 }
@@ -75,7 +78,7 @@ impl Default for FASTAReadOptions {
         Self {
             file_extension: String::from(DEFAULT_FASTA_FILE_EXTENSION),
             file_compression_type: FileCompressionType::UNCOMPRESSED,
-            fasta_sequence_data_type: FastaSequenceDataType::Utf8,
+            fasta_sequence_data_type: FastaSequenceDataType::UTF8,
         }
     }
 }
@@ -107,7 +110,7 @@ impl FASTAReadOptions {
             file_compression_type.unwrap_or(FileCompressionType::UNCOMPRESSED);
 
         let fasta_sequence_data_type =
-            fasta_sequence_data_type.unwrap_or(FastaSequenceDataType::Utf8);
+            fasta_sequence_data_type.unwrap_or(FastaSequenceDataType::UTF8);
 
         Ok(Self {
             file_compression_type,
diff --git a/src/lib.rs b/src/lib.rs
index dc2dbab..f937ea9 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -53,6 +53,7 @@ fn biobear(_py: Python, m: &Bound<'_, PyModule>) -> PyResult<()> {
     m.add_class::<vcf_reader::VCFIndexedReader>()?;
     m.add_class::<bcf_reader::BCFIndexedReader>()?;
     m.add_class::<file_compression_type::FileCompressionType>()?;
+    m.add_class::<datasources::fasta::FastaSequenceDataType>()?;
     m.add_class::<datasources::fastq::FASTQReadOptions>()?;
     m.add_class::<datasources::fasta::FASTAReadOptions>()?;
     m.add_class::<datasources::bcf::BCFReadOptions>()?;