diff --git a/Project.toml b/Project.toml
index e5e384a..5da7843 100644
--- a/Project.toml
+++ b/Project.toml
@@ -16,5 +16,5 @@ EzXML = "1"
 HybridSystems = "0.4"
 LazySets = "1, 2"
 MathematicalSystems = "0.11, 0.12, 0.13"
-SymEngine = "0.7, 0.8, 0.9, 0.10, 0.11"
+SymEngine = "0.7, 0.8, 0.9, 0.10, 0.11, 0.12"
 julia = "1.2"
diff --git a/docs/Project.toml b/docs/Project.toml
index 3b80b0a..a58d2f6 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -6,4 +6,4 @@ SymEngine = "123dc426-2d89-5057-bbad-38513e3affd8"
 [compat]
 Documenter = "1"
 LazySets = "2"
-SymEngine = "0.11"
+SymEngine = "0.11, 0.12"