diff --git a/Project.toml b/Project.toml
index a2200d4d..611cd854 100644
--- a/Project.toml
+++ b/Project.toml
@@ -36,7 +36,7 @@ RCSparseArraysExt = "SparseArrays"
 ArrayInterface = "7.19.0"
 CellularAutomata = "0.0.6"
 ConcreteStructs = "0.2.3"
-DataInterpolations = "6, 7, 8"
+DataInterpolations = "6, 7, 8, 9.0"
 DifferentialEquations = "7.16.1, 8"
 LIBSVM = "0.8"
 LinearAlgebra = "1.10"
diff --git a/docs/Project.toml b/docs/Project.toml
index bdba183c..0da942a6 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -23,7 +23,7 @@ StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 [compat]
 CellularAutomata = "0.0.6"
 ConcreteStructs = "0.2"
-DataInterpolations = "6, 7, 8"
+DataInterpolations = "6, 7, 8, 9.0"
 DelayDiffEq = "6"
 Documenter = "1"
 DocumenterCitations = "1"