diff --git a/Project.toml b/Project.toml
index 2cece190f..85f8f7b22 100644
--- a/Project.toml
+++ b/Project.toml
@@ -29,7 +29,7 @@ CarlemanLinearization = "0.3 - 0.4"
 CommonSolve = "0.2"
 ExprTools = "0.1"
 HybridSystems = "0.4"
-IntervalArithmetic = "0.16 - 0.20, =0.20.9"  # new versions require updates and are incompatible with dependencies
+IntervalArithmetic = "0.16 - 0.20, =0.20.9"
 IntervalMatrices = "0.6 - 0.10"
 LazySets = "2.14"
 LinearAlgebra = "<0.0.1, 1.6"
@@ -44,5 +44,5 @@ SparseArrays = "<0.0.1, 1.6"
 StaticArrays = "0.12, 1"
 TaylorIntegration = "0.15"
 TaylorModels = "0.7"
-TaylorSeries = "0.17"
+TaylorSeries = "0.17, 0.18"
 julia = "1.6"