diff --git a/core/Project.toml b/core/Project.toml
index acf1baab7..b48632439 100644
--- a/core/Project.toml
+++ b/core/Project.toml
@@ -52,7 +52,9 @@ DiffEqCallbacks = "2.29.1"
 FiniteDiff = "2.21"
 ForwardDiff = "0.10"
 Graphs = "1.6"
+HiGHS = "1.7"
 IterTools = "1.4"
+JuMP = "1.15"
 Legolas = "0.5"
 LoggingExtras = "1"
 OrdinaryDiffEq = "6.7"
diff --git a/core/test/allocation.jl b/core/test/allocation.jl
index 122318df8..d172ce9b5 100644
--- a/core/test/allocation.jl
+++ b/core/test/allocation.jl
@@ -1,4 +1,5 @@
 import Ribasim
+using SQLite
 
 @testset "Allocation solve" begin
     toml_path = normpath(@__DIR__, "../../generated_testmodels/subnetwork/subnetwork.toml")
diff --git a/core/test/runtests.jl b/core/test/runtests.jl
index e143dc49d..6d6c293ff 100644
--- a/core/test/runtests.jl
+++ b/core/test/runtests.jl
@@ -12,7 +12,7 @@ using SafeTestsets: @safetestset
     @safetestset "Basic Model Interface" include("bmi.jl")
     @safetestset "Utility functions" include("utils.jl")
     @safetestset "Control" include("control.jl")
-    @safetesteset "Allocation" include("allocation.jl")
+    @safetestset "Allocation" include("allocation.jl")
     @safetestset "Time" include("time.jl")
     @safetestset "Docs" include("docs.jl")
     @safetestset "Command Line Interface" include("cli.jl")