diff --git a/Project.toml b/Project.toml
index a4ec3a1..4922ce5 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,9 +23,12 @@ SciMLTestingJETExt = "JET"
 Aqua = "0.8"
 ExplicitImports = "1"
 JET = "0.9.14, 0.10, 0.11, 0.12"
+Pkg = "1.10"
 PrecompileTools = "1.2"
+REPL = "1.10"
 SafeTestsets = "0.1"
 TOML = "1.0.3"
+Test = "1.10"
 julia = "1.10"
 
 [extras]
diff --git a/test/runtests.jl b/test/runtests.jl
index 190dc9c..07857a6 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,12 +1,20 @@
 using SciMLTesting
 using Test
 using Pkg
+using TOML
 # Aqua and ExplicitImports are direct SciMLTesting deps, so they load with it. `using
 # JET` triggers SciMLTesting's JET weakdep extension, whose `__init__` registers JET
 # with SciMLTesting (see the "JET auto-detection" testset); JET must be available in
 # the test env for the extension to load.
 using JET
 
+@testset "stdlib compat entries" begin
+    project = TOML.parsefile(joinpath(pkgdir(SciMLTesting), "Project.toml"))
+    for dependency in ("Pkg", "REPL", "Test")
+        @test haskey(project["compat"], dependency)
+    end
+end
+
 # Stand-in modules so the test exercises run_qa without a hard dependency on
 # Aqua/JET: they only need to expose the methods run_qa calls. Modules must be
 # defined at top level, not inside a @testset.