diff --git a/Project.toml b/Project.toml
index 17496ed..97614c8 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,7 +17,7 @@ URIParser = "30578b45-9adc-5946-b283-645ec420af67"
 Automa = "0.7, 0.8"
 BGZFStreams = "0.3"
 BioGenerics = "0.1"
-FASTX = "1"
+FASTX = "1, 2"
 GenomicFeatures = "2"
 Indexes = "0.1"
 TranscodingStreams = "0.9.5"