diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 322d4b18e..991821197 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -26,7 +26,7 @@ jobs:
           - ControlSystems
           - ControlSystemsBase
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: julia-actions/setup-julia@v1
         with:
           version: ${{ matrix.version }}
diff --git a/lib/ControlSystemsBase/Project.toml b/lib/ControlSystemsBase/Project.toml
index f258434a9..af6c912da 100644
--- a/lib/ControlSystemsBase/Project.toml
+++ b/lib/ControlSystemsBase/Project.toml
@@ -41,11 +41,15 @@ MacroTools = "0.5"
 MatrixEquations = "1, 2.1"
 MatrixPencils = "1.6"
 Polyester = "0.6, 0.7"
-Polynomials = "1.1.10, 2.0, 3.0"
+Polynomials = "3.0, 4.0"
 PrecompileTools = "1"
 RecipesBase = "1"
 StaticArraysCore = "1"
 julia = "1.6"
+LinearAlgebra = "<0.0.1, 1"
+Printf = "<0.0.1, 1"
+Random = "<0.0.1, 1"
+UUIDs = "<0.0.1, 1"
 
 [extras]
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"