diff --git a/.github/workflows/Downgrade.yml b/.github/workflows/Downgrade.yml
new file mode 100644
index 000000000..87e31e04b
--- /dev/null
+++ b/.github/workflows/Downgrade.yml
@@ -0,0 +1,36 @@
+name: Downgrade
+on:
+  pull_request:
+    branches:
+      - main
+    paths-ignore:
+      - 'docs/**'
+  push:
+    branches:
+      - main
+    paths-ignore:
+      - 'docs/**'
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        group:
+          - Core
+        downgrade_mode: ['alldeps']
+        julia-version: ['1.10']
+    steps:
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v2
+        with:
+          version: ${{ matrix.julia-version }}
+      - uses: julia-actions/julia-downgrade-compat@v2
+#        if: ${{ matrix.version == '1.6' }}
+        with:
+          skip: Pkg,TOML
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
+        with:
+          ALLOW_RERESOLVE: false
+        env:
+          GROUP: ${{ matrix.group }}
diff --git a/Project.toml b/Project.toml
index b4528eb2e..b195b65a2 100644
--- a/Project.toml
+++ b/Project.toml
@@ -8,11 +8,11 @@ LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 
 [compat]
-BenchmarkTools = "1"
-Compat = "4"
-FiniteDifferences = "0.12"
-OffsetArrays = "1"
-StaticArrays = "1"
+BenchmarkTools = "1.5"
+Compat = "4.15"
+FiniteDifferences = "0.12.32"
+OffsetArrays = "1.14"
+StaticArrays = "1.9.2"
 julia = "1.10"
 
 [extensions]