diff --git a/Project.toml b/Project.toml
index c2433cde..a617ffc7 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,6 +17,7 @@ StatsFuns = "4c63d2b9-4356-54db-8cca-17b64c39e42c"
 Distributions = "0.21.11, 0.22"
 ForwardDiff = "0.10.3"
 MappedArrays = "0.2.2"
+NNlib = "0.6"
 Reexport = "0.2"
 Requires = "1"
 Roots = "0.8.4"