diff --git a/Project.toml b/Project.toml
index 05a34c8c3..14e1a1de0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -29,10 +29,10 @@ JuMP = "1.28"
 LinearAlgebra = "1"
 LinearSolve = "3.54"
 MuladdMacro = "0.2.4"
-OrdinaryDiffEqCore = "3.0.1"
+OrdinaryDiffEqCore = "3.0.1, 4"
 RecipesBase = "1.3.4"
 Reexport = "1.2.2"
-SciMLBase = "2.128"
+SciMLBase = "2.128, 3"
 SparseArrays = "1"
 StaticArrays = "1.9.8"
 Statistics = "1"
diff --git a/docs/Project.toml b/docs/Project.toml
index f64d58287..72f7d35a2 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -25,21 +25,21 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 [compat]
 BenchmarkTools = "1"
 Clarabel = "0.11"
-DiffEqBase = "6.160"
+DiffEqBase = "6.160, 7"
 DiffEqCallbacks = "4"
-DiffEqDevTools = "2.45.1"
+DiffEqDevTools = "2.45.1, 3"
 Documenter = "1"
 DoubleFloats = "1.4"
 InteractiveUtils = "1"
 JuMP = "1.28"
 LinearAlgebra = "1"
 LinearSolve = "3.7.1"
-OrdinaryDiffEqFIRK = "1.7"
-OrdinaryDiffEqLowOrderRK = "1.2"
-OrdinaryDiffEqRosenbrock = "1.4"
-OrdinaryDiffEqSDIRK = "1.2"
-OrdinaryDiffEqTsit5 = "1.1"
-OrdinaryDiffEqVerner = "1.1"
+OrdinaryDiffEqFIRK = "1.7, 2"
+OrdinaryDiffEqLowOrderRK = "1.2, 2"
+OrdinaryDiffEqRosenbrock = "1.4, 2"
+OrdinaryDiffEqSDIRK = "1.2, 2"
+OrdinaryDiffEqTsit5 = "1.1, 2"
+OrdinaryDiffEqVerner = "1.1, 2"
 Pkg = "1"
 Plots = "1"
 PrettyTables = "3"
diff --git a/src/PositiveIntegrators.jl b/src/PositiveIntegrators.jl
index eba70eb39..cb45f2c45 100644
--- a/src/PositiveIntegrators.jl
+++ b/src/PositiveIntegrators.jl
@@ -8,7 +8,7 @@ using SparseArrays: SparseArrays, AbstractSparseMatrix, SparseMatrixCSC,
                     issparse, nonzeros, nzrange, rowvals, spdiagm
 using StaticArrays: SVector, SMatrix, StaticArray, StaticMatrix, @SVector, @SMatrix, MMatrix
 
-using FastBroadcast: @..
+using FastBroadcast: @.., Serial
 using MuladdMacro: @muladd
 
 using Reexport: @reexport
@@ -29,7 +29,6 @@ import SciMLBase: interp_summary
 
 using OrdinaryDiffEqCore: OrdinaryDiffEqAdaptiveAlgorithm,
                           OrdinaryDiffEqConstantCache, OrdinaryDiffEqMutableCache,
-                          False,
                           _vec
 import OrdinaryDiffEqCore: alg_order, isfsal,
                            calculate_residuals, calculate_residuals!,
diff --git a/src/mpdec.jl b/src/mpdec.jl
index bda3fc247..934818b95 100644
--- a/src/mpdec.jl
+++ b/src/mpdec.jl
@@ -739,7 +739,7 @@ end
     # Now tmp stores error residuals
     calculate_residuals!(tmp, σ, uprev, u, integrator.opts.abstol,
                          integrator.opts.reltol, integrator.opts.internalnorm, t,
-                         False())
+                         Serial())
     integrator.EEst = integrator.opts.internalnorm(tmp, t)
 end
 
@@ -783,6 +783,6 @@ end
     # Now tmp stores error residuals
     calculate_residuals!(tmp, σ, uprev, u, integrator.opts.abstol,
                          integrator.opts.reltol, integrator.opts.internalnorm, t,
-                         False())
+                         Serial())
     integrator.EEst = integrator.opts.internalnorm(tmp, t)
 end
diff --git a/src/mprk.jl b/src/mprk.jl
index 61b73a068..930e8c900 100644
--- a/src/mprk.jl
+++ b/src/mprk.jl
@@ -838,7 +838,7 @@ end
     # Now tmp stores error residuals
     calculate_residuals!(tmp, σ, uprev, u, integrator.opts.abstol,
                          integrator.opts.reltol, integrator.opts.internalnorm, t,
-                         False())
+                         Serial())
     integrator.EEst = integrator.opts.internalnorm(tmp, t)
 end
 
@@ -1275,7 +1275,7 @@ end
     # Now tmp2 stores error residuals
     calculate_residuals!(tmp2, tmp, uprev, u, integrator.opts.abstol,
                          integrator.opts.reltol, integrator.opts.internalnorm, t,
-                         False())
+                         Serial())
     integrator.EEst = integrator.opts.internalnorm(tmp2, t)
 end
 
diff --git a/src/sspmprk.jl b/src/sspmprk.jl
index 17927806f..575a29b75 100644
--- a/src/sspmprk.jl
+++ b/src/sspmprk.jl
@@ -287,7 +287,7 @@ end
     # Now tmp stores error residuals
     calculate_residuals!(tmp, σ, uprev, u, integrator.opts.abstol,
                          integrator.opts.reltol, integrator.opts.internalnorm, t,
-                         False())
+                         Serial())
     integrator.EEst = integrator.opts.internalnorm(tmp, t)
 end
 
@@ -677,7 +677,7 @@ end
     # Now tmp2 stores error residuals
     calculate_residuals!(tmp2, tmp, uprev, u, integrator.opts.abstol,
                          integrator.opts.reltol, integrator.opts.internalnorm, t,
-                         False())
+                         Serial())
     integrator.EEst = integrator.opts.internalnorm(tmp2, t)
     =#
 end
diff --git a/src/utilities.jl b/src/utilities.jl
index 7b2b241fe..dd49bfa70 100644
--- a/src/utilities.jl
+++ b/src/utilities.jl
@@ -159,7 +159,7 @@ function work_precision_fixed!(dict, prob, algs, labels, dts, alg_ref;
                 error_time[i] = (Inf, Inf)
                 try
                     sol = solve(prob, alg; dt, adaptive = false, save_everystep = true)
-                    if Int(sol.retcode) == 1 && isnonnegative(sol)
+                    if SciMLBase.successful_retcode(sol) && isnonnegative(sol)
                         error = compute_error(sol, ref_sol(sol.t))
                         time = compute_time_fixed(dt, prob, alg, seconds, numruns)
 
@@ -240,7 +240,7 @@ function work_precision_adaptive!(dict, prob, algs, labels, abstols, reltols, al
             sol = solve(prob, alg; abstol, reltol, save_everystep = true,
                         kwargs...)
 
-            if Int(sol.retcode) == 1 && isnonnegative(sol)
+            if SciMLBase.successful_retcode(sol) && isnonnegative(sol)
                 error = compute_error(sol, ref_sol(sol.t))
                 time = compute_time_adaptive(abstol, reltol, prob, alg, seconds, numruns,
                                              kwargs...)
diff --git a/test/Project.toml b/test/Project.toml
index 09dbfc393..19b16d24d 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -15,6 +15,7 @@ OrdinaryDiffEqVerner = "79d7bb75-1356-48c1-b8c0-6832512096c2"
 Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"
 RecipesBase = "3cdcf5f2-1ef4-517c-9805-6587b60abb01"
 RecursiveFactorization = "f2c3362d-daeb-58d1-803e-2bc74f2840b4"
+SciMLBase = "0bca4576-84f4-4d90-8ffe-ffa030f20462"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
@@ -30,14 +31,15 @@ ExplicitImports = "1.0.1"
 JuMP = "1.28"
 LinearAlgebra = "1"
 LinearSolve = "3.54"
-OrdinaryDiffEqLowOrderRK = "1.10"
-OrdinaryDiffEqRosenbrock = "1.22"
-OrdinaryDiffEqSDIRK = "1.11"
-OrdinaryDiffEqTsit5 = "1.9"
-OrdinaryDiffEqVerner = "1.10"
+OrdinaryDiffEqLowOrderRK = "1.10, 2"
+OrdinaryDiffEqRosenbrock = "1.22, 2"
+OrdinaryDiffEqSDIRK = "1.11, 2"
+OrdinaryDiffEqTsit5 = "1.9, 2"
+OrdinaryDiffEqVerner = "1.10, 2"
 Plots = "1.38.9"
 RecipesBase = "1.3.4"
 RecursiveFactorization = "0.2.26"
+SciMLBase = "2.128, 3"
 SparseArrays = "1"
 StaticArrays = "1.9.8"
 Statistics = "1"
diff --git a/test/runtests.jl b/test/runtests.jl
index 939239963..352c6cc1d 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -15,6 +15,7 @@ using OrdinaryDiffEqSDIRK: ImplicitEuler, SDIRK2, TRBDF2
 using OrdinaryDiffEqTsit5: Tsit5
 using OrdinaryDiffEqVerner: Vern7, Vern9
 using PositiveIntegrators
+import SciMLBase
 
 using Clarabel
 using JuMP
@@ -2375,7 +2376,7 @@ end
                     # later versions of OrdinaryDiffEq.jl use dtmin = 0 by default,
                     # see https://github.com/SciML/OrdinaryDiffEq.jl/pull/2098
                     sol = solve(prob, alg; dtmin = 0.0)
-                    @test Int(sol.retcode) == 1
+                    @test SciMLBase.successful_retcode(sol)
                 end
             end
         end
@@ -2392,7 +2393,7 @@ end
                     tspan = prob.tspan
                     dt = (tspan[2] - tspan[1]) / 10
                     sol = solve(prob, alg; dt = dt)
-                    @test Int(sol.retcode) == 1
+                    @test SciMLBase.successful_retcode(sol)
                 end
             end
         end