diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ba39cc5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+Manifest.toml
diff --git a/.travis.yml b/.travis.yml
index 89de129..43ba22b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,8 @@ os:
     - linux
     - osx
 julia:
-    - 0.7
     - 1.0
+    - 1.1
 notifications:
     email: false
 sudo: false
@@ -14,7 +14,5 @@ addons:
         - liblapack-dev
         - libgmp-dev
         - libglpk-dev
-before_script:
-    - julia -e 'using Pkg; Pkg.add(PackageSpec(name="JuMP", rev="master")); Pkg.add(PackageSpec(url="https://github.com/JuliaStochOpt/ParameterJuMP.jl.git"))'
 after_success:
     - julia -e 'cd(Pkg.dir("StructJuMP")); Pkg.add("Coverage"); using Coverage; Coveralls.submit(Coveralls.process_folder())'
diff --git a/Project.toml b/Project.toml
new file mode 100644
index 0000000..71ecaf8
--- /dev/null
+++ b/Project.toml
@@ -0,0 +1,25 @@
+name = "StructJuMP"
+uuid = "34f15cae-5318-50c9-93d3-9feadd34e321"
+repo = "https://github.com/StructJuMP/StructJuMP.jl.git"
+version = "0.1.0"
+
+[deps]
+JuMP = "4076af6c-e467-56ae-b986-b466b2749572"
+LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
+MathOptInterface = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
+ParameterJuMP = "774612a8-9878-5177-865a-ca53ae2495f9"
+
+[compat]
+JuMP = "0.19"
+MathOptInterface = "0.8"
+ParameterJuMP = "0.1"
+julia = "1"
+
+[extras]
+ECOS = "e2685f51-7e38-5353-a97d-a921fd2c8199"
+GLPK = "60bf3e95-4087-53dc-ae20-288a0d20c6a6"
+Ipopt = "b6b21f68-93f8-5de0-b562-5493be1d77c9"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[targets]
+test = ["GLPK", "Test", "ECOS", "Ipopt"]
diff --git a/REQUIRE b/REQUIRE
deleted file mode 100644
index 71f715c..0000000
--- a/REQUIRE
+++ /dev/null
@@ -1,4 +0,0 @@
-julia 0.7
-MathOptInterface 0.8
-JuMP 0.18.2+
-ParameterJuMP
diff --git a/src/BendersBridge.jl b/src/BendersBridge.jl
index 7849d7c..cc5eb01 100644
--- a/src/BendersBridge.jl
+++ b/src/BendersBridge.jl
@@ -8,12 +8,12 @@ function parametrized_function(var::StructuredVariableRef,
                                structured_model::StructuredModel,
                                model::JuMP.Model,
                                variable_map::Dict{Int, JuMP.VariableRef},
-                               parameter_map::Dict{Int, ParameterJuMP.Parameter})
+                               parameter_map::Dict{Int, ParameterJuMP.ParameterRef})
     if var.model === structured_model
         return variable_map[var.idx]
     elseif var.model === structured_model.parent
         if !haskey(parameter_map, var.idx)
-            parameter_map[var.idx] = ParameterJuMP.Parameter(model)
+            parameter_map[var.idx] = ParameterJuMP.add_parameter(model)
         end
         return parameter_map[var.idx]
     else
@@ -24,9 +24,9 @@ function parametrized_function(aff::JuMP.GenericAffExpr{C, StructuredVariableRef
                                structured_model::StructuredModel,
                                model::JuMP.Model,
                                variable_map::Dict{Int, JuMP.VariableRef},
-                               parameter_map::Dict{Int, ParameterJuMP.Parameter}) where C
+                               parameter_map::Dict{Int, ParameterJuMP.ParameterRef}) where C
     param_aff = ParameterJuMP.PAE{C}(JuMP.GenericAffExpr{C, JuMP.VariableRef}(aff.constant),
-                                     JuMP.GenericAffExpr{C, ParameterJuMP.Parameter}(zero(C)))
+                                     JuMP.GenericAffExpr{C, ParameterJuMP.ParameterRef}(zero(C)))
     for (coef, var) in JuMP.linear_terms(aff)
         JuMP.add_to_expression!(param_aff,
                                 coef,
@@ -44,15 +44,15 @@ function parametrized_function(quad::JuMP.GenericQuadExpr{C, StructuredVariableR
                                structured_model::StructuredModel,
                                model::JuMP.Model,
                                variable_map::Dict{Int, JuMP.VariableRef},
-                               parameter_map::Dict{Int, ParameterJuMP.Parameter}) where C
+                               parameter_map::Dict{Int, ParameterJuMP.ParameterRef}) where C
     param_aff = parametrized_function(quad.aff, structured_model, model, variable_map, parameter_map)
     if param_aff isa ParameterJuMP.PAE
         error("parametrized quadratic functions are not supported yet")
         #quadv = JuMP.GenericQuadExpr{C, JuMP.VariableRef}(param_aff.v)
-        #quadp = JuMP.GenericQuadExpr{C, ParameterJuMP.Parameter}(param_aff.p)
+        #quadp = JuMP.GenericQuadExpr{C, ParameterJuMP.ParameterRef}(param_aff.p)
     else
         quadv = JuMP.GenericQuadExpr{C, JuMP.VariableRef}(param_aff)
-        quadp = JuMP.GenericQuadExpr{C, ParameterJuMP.Parameter}(zero(C))
+        quadp = JuMP.GenericQuadExpr{C, ParameterJuMP.ParameterRef}(zero(C))
     end
     for (coef, var1, var2) in JuMP.quadterms(quad)
         if var1.model === structured_model && var2.model == structured_model
@@ -77,7 +77,7 @@ struct ParametrizedModel
     variable_map::Dict{Int, JuMP.VariableRef}
     # Map between index of structured variable in `structured_model.parent`
     # and the corresponding parameter in `model`.
-    parameter_map::Dict{Int, ParameterJuMP.Parameter}
+    parameter_map::Dict{Int, ParameterJuMP.ParameterRef}
     # Cost of children
     θ::Dict{Int, JuMP.VariableRef}
 end
@@ -92,7 +92,7 @@ function ParametrizedModel(structured_model::StructuredModel, args...; kwargs...
         name = structured_model.varnames[index]
         variable_map[index] = JuMP.add_variable(model, var, name)
     end
-    parameter_map = Dict{Int, ParameterJuMP.Parameter}()
+    parameter_map = Dict{Int, ParameterJuMP.ParameterRef}()
     for (index, con) in structured_model.constraints
         name = structured_model.connames[index]
         param_fun = parametrized_function(con.func, structured_model, model,
diff --git a/src/Benders_pmap.jl b/src/Benders_pmap.jl
index a8146f7..f561334 100644
--- a/src/Benders_pmap.jl
+++ b/src/Benders_pmap.jl
@@ -8,7 +8,7 @@ mutable struct Solution
     variable_value::Dict{JuMP.VariableRef, Float64}
     # Map between the parameter
     # and the dual value
-    parameter_dual::Dict{Parameter, Float64}
+    parameter_dual::Dict{ParameterRef, Float64}
 end
 
 function optimize(model::ParametrizedModel)
@@ -39,7 +39,7 @@ function optimize(model::ParametrizedModel)
             variable_value[θ] = JuMP.value(θ)
         end
     end
-    parameter_dual = Dict{Parameter, Float64}()
+    parameter_dual = Dict{ParameterRef, Float64}()
     for parameter in values(model.parameter_map)
         parameter_dual[parameter] = JuMP.dual(parameter)
     end
@@ -50,7 +50,7 @@ function set_parent_solution!(model::ParametrizedModel, parent::ParametrizedMode
     for (index, parameter) in model.parameter_map
         vref = parent.variable_map[index]
         value = parent_solution.variable_value[vref]
-        ParameterJuMP.setvalue!(parameter, value)
+        JuMP.fix(parameter, value)
     end
 end
 
diff --git a/test/REQUIRE b/test/REQUIRE
deleted file mode 100644
index 822c104..0000000
--- a/test/REQUIRE
+++ /dev/null
@@ -1,3 +0,0 @@
-GLPK
-ECOS
-Ipopt