diff --git a/.github/workflows/Downgrade.yml b/.github/workflows/Downgrade.yml
new file mode 100644
index 000000000..b39302436
--- /dev/null
+++ b/.github/workflows/Downgrade.yml
@@ -0,0 +1,29 @@
+name: Downgrade
+on:
+  pull_request:
+    branches:
+      - master
+    paths-ignore:
+      - 'docs/**'
+  push:
+    branches:
+      - master
+    paths-ignore:
+      - 'docs/**'
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        version: ['1']
+    steps:
+      - uses: actions/checkout@v3
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+      - uses: cjdoris/julia-downgrade-compat-action@v1
+#        if: ${{ matrix.version == '1.6' }}
+        with:
+          skip: Pkg,TOML
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
\ No newline at end of file
diff --git a/Project.toml b/Project.toml
index b402ea5fa..c884503cc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -48,47 +48,47 @@ NonlinearSolveSymbolicsExt = "Symbolics"
 NonlinearSolveZygoteExt = "Zygote"
 
 [compat]
-ADTypes = "0.2"
+ADTypes = "0.2.5"
 Aqua = "0.8"
-ArrayInterface = "6.0.24, 7"
-BandedMatrices = "1"
+ArrayInterface = "7.6"
+BandedMatrices = "1.3"
 BenchmarkTools = "1"
 ConcreteStructs = "0.2"
-DiffEqBase = "6.141"
+DiffEqBase = "6.144"
 EnumX = "1"
-Enzyme = "0.11"
-FastBroadcast = "0.1.9, 0.2"
+Enzyme = "0.11.11"
+FastBroadcast = "0.2.8"
 FastLevenbergMarquardt = "0.1"
-FiniteDiff = "2"
-ForwardDiff = "0.10.3"
-LazyArrays = "1.8"
-LeastSquaresOptim = "0.8"
-LineSearches = "7"
+FiniteDiff = "2.21"
+ForwardDiff = "0.10.36"
+LazyArrays = "1.8.2"
+LeastSquaresOptim = "0.8.5"
+LineSearches = "7.2"
 LinearAlgebra = "<0.0.1, 1"
-LinearSolve = "2.12"
+LinearSolve = "2.21"
 MINPACK = "1.2"
-MaybeInplace = "0.1"
+MaybeInplace = "0.1.1"
 NLsolve = "4.5"
 NaNMath = "1"
-NonlinearProblemLibrary = "0.1"
+NonlinearProblemLibrary = "0.1.1"
 Pkg = "1"
-PrecompileTools = "1"
+PrecompileTools = "1.2"
 Printf = "<0.0.1, 1"
 Random = "<0.0.1, 1"
-RecursiveArrayTools = "2, 3"
-Reexport = "0.2, 1"
+RecursiveArrayTools = "3.0"
+Reexport = "1.2"
 SafeTestsets = "0.1"
-SciMLBase = "2.9"
-SciMLOperators = "0.3"
-SimpleNonlinearSolve = "1"
+SciMLBase = "2.11"
+SciMLOperators = "0.3.7"
+SimpleNonlinearSolve = "1.0.2"
 SparseArrays = "<0.0.1, 1"
 SparseDiffTools = "2.14"
 StableRNGs = "1"
-StaticArrays = "1"
-Symbolics = "5"
+StaticArrays = "1.7"
+Symbolics = "5.13"
 Test = "1"
 UnPack = "1.0"
-Zygote = "0.6"
+Zygote = "0.6.67"
 julia = "1.9"
 
 [extras]