diff --git a/Project.toml b/Project.toml
index 86a9edd58..e17d684a0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -25,8 +25,8 @@ CxxWrap = "0.14"
 Nemo = "0.33.0, 0.34.0, 0.35.0, 0.36.0, 0.37.0"
 Pidfile = "1.3"
 RandomExtensions = "0.4.2"
-Singular_jll = "~403.208.800"
+Singular_jll = "~403.209.900"
 Statistics = "1.6"
 julia = "1.6"
 lib4ti2_jll = "1.6.10"
-libsingular_julia_jll = "~0.40.2"
+libsingular_julia_jll = "~0.40.4"