diff --git a/Project.toml b/Project.toml
index 36183ac9daf..fe2d038e342 100644
--- a/Project.toml
+++ b/Project.toml
@@ -49,7 +49,7 @@ MPI = "0.19"
 Octavian = "0.3.5"
 OffsetArrays = "1.3"
 P4est = "0.2.2"
-Polyester = "0.3.4, 0.5"
+Polyester = "0.3.4, 0.5, 0.6"
 RecipesBase = "1.1"
 Reexport = "1.0"
 Requires = "1.1"