diff --git a/Project.toml b/Project.toml
index 32d4d243..aab1255e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,7 +17,7 @@ ADTypes = "1"
 ChainRulesCore = "1"
 ControlSystemsBase = "1.4"
 DataFrames = "1.7"
-DataInterpolations = "8"
+DataInterpolations = "8, 9"
 DiffEqBase = "6.190, 7"
 ForwardDiff = "0.10, 1"
 LinearAlgebra = "1.10"
diff --git a/test/sources.jl b/test/sources.jl
index 780830e3..3ac33c32 100644
--- a/test/sources.jl
+++ b/test/sources.jl
@@ -705,8 +705,10 @@ end
     end
 
     @testset "BSplineInterpolation" begin
+        bspline_args = Base.pkgversion(DataInterpolations) < v"9" ?
+            (3, :Uniform, :Uniform) : (3, :Uniform)
         @named i = ParametrizedInterpolation(
-            BSplineInterpolation, u, x, 3, :Uniform, :Uniform
+            BSplineInterpolation, u, x, bspline_args...
         )
         eqs = [i.input.u ~ t, D(y) ~ i.output.u]