diff --git a/test/Project.toml b/test/Project.toml
index 1ab664b31..160bf6c6b 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -3,6 +3,7 @@ Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 DiffEqDevTools = "f3b72e0c-5b89-59e1-b016-84e28bfd966d"
 FiniteDiff = "6a86dc24-6348-571c-b903-95158fe2bd41"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
+JET = "c3a54625-cd67-489e-a8e7-0a5a0ff4e31b"
 Kronecker = "2c470bb0-bcc8-11e8-3dad-c9649493f05e"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 LinearRegression = "92481ed7-9fb7-40fd-80f2-46fd0f076581"
diff --git a/test/runtests.jl b/test/runtests.jl
index ca6ec412b..d0e3991bb 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,4 +1,4 @@
-using Test, SafeTestsets, Aqua, TimerOutputs
+using Test, SafeTestsets, Aqua, JET, TimerOutputs
 using ProbNumDiffEq
 using ODEProblemLibrary
 
@@ -121,13 +121,19 @@ const GROUP = get(ENV, "GROUP", "All")
     end
 
     if GROUP == "All"
-        @timedtestset "Aqua.jl" begin
+        @timedtestset "Code quality (Aqua.jl)" begin
             Aqua.test_all(
                 ProbNumDiffEq,
                 ambiguities=false,
                 piracy=false,
             )
         end
+        @timedtestset "Code linting (JET.jl)" begin
+            @test JET.test_package(
+                ProbNumDiffEq;
+                target_defined_modules=true,
+            )
+        end
     end
 end