diff --git a/Project.toml b/Project.toml
index 36212a1..e3439bb 100644
--- a/Project.toml
+++ b/Project.toml
@@ -33,6 +33,7 @@ ColorSchemes = "3.19.0"
 DataFrames = "1.4.2"
 DataStructures = "0.18.13"
 Distributions = "0.25.76"
+Documenter = "0.27"
 DoubleFloats = "1.2.2"
 FFTW = "1.5.0"
 FastaLoader = "0.1.9"