diff --git a/Project.toml b/Project.toml
index 93da1b4eb..3a31446aa 100644
--- a/Project.toml
+++ b/Project.toml
@@ -33,4 +33,4 @@ Singular_jll = "~403.210.1000"
 Statistics = "1.6"
 julia = "1.6"
 lib4ti2_jll = "1.6.10"
-libsingular_julia_jll = "~0.40.7"
+libsingular_julia_jll = "=0.40.7"