diff --git a/Project.toml b/Project.toml
index 3587b18..e13b090 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,7 +19,9 @@ Automa = "0.7, 0.8"
 BioAlignments = "2"
 BioGenerics = "0.1"
 BioSequences = "2.0.4"
+CodecBGZF = "0.1"
 GenomicFeatures = "2"
+Indexes = "0.2"
 TranscodingStreams = "0.6, 0.7, 0.8, 0.9"
 julia = "1"