diff --git a/Project.toml b/Project.toml
index 11e590a..2a872f0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,5 +19,6 @@ UnicodePlots = "b8865327-cd53-5732-bb35-84acbb429228"
 FFTW = "1"
 GDAL = "1"
 GMT = "0.39, 0.40, 0.41"
+HDF5 = "0.16"
 SeisIO = "1"
 UnicodePlots = "2"