diff --git a/Project.toml b/Project.toml
index 52b46c2d6fe2..737522919565 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,6 +19,6 @@ julia = "1.3"
 AbstractAlgebra = "^0.9.1"
 Nemo = "^0.17.2"
 Hecke = "^0.8.0"
-Polymake = "^0.3"
-Singular = "^0.2.1"
+Polymake = "^0.4"
+Singular = "^0.3"
 GAP = "^0.3"