diff --git a/Project.toml b/Project.toml
index c57de1b..2a19f64 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "QuadraticToBinary"
 uuid = "014a38d5-7acb-4e20-b6c0-4fe5c2344fd1"
 authors = ["Joaquim Garcia <joaquimgarcia@psr-inc.com>"]
-version = "0.2.0"
+version = "0.2.1"
 
 
 [deps]
@@ -10,7 +10,7 @@ DataStructures = "864edb3b-99cc-5e75-8d2d-829cb0a9cfe8"
 
 [compat]
 MathOptInterface = "0.9.12"
-DataStructures = "0.17.10"
+DataStructures = "0.17.10, 0.18.0"
 julia = "1"
 
 [extras]
diff --git a/src/moi.jl b/src/moi.jl
index 6f02c9c..1b6ed95 100644
--- a/src/moi.jl
+++ b/src/moi.jl
@@ -306,6 +306,10 @@ function MOI.supports_add_constrained_variables(
     model::Optimizer, ::Type{S}) where S
     return MOI.supports_add_constrained_variables(model.optimizer, S)
 end
+function MOI.supports_add_constrained_variables(
+    model::Optimizer, ::Type{MOI.Reals})
+    return MOI.supports_add_constrained_variables(model.optimizer, MOI.Reals)
+end
 
 # function MOI.set(model::Optimizer, param::MOI.RawParameter, value)
 #     # if in a subset of the q2b save it