diff --git a/.github/workflows/Downgrade.yml b/.github/workflows/Downgrade.yml
new file mode 100644
index 00000000..01ff8cad
--- /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@v4
+      - 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 0f082238..b97bfaa0 100644
--- a/Project.toml
+++ b/Project.toml
@@ -16,24 +16,24 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [compat]
 Aqua = "0.8"
-Cubature = "1"
-Distributions = "0.21, 0.22, 0.23, 0.24, 0.25"
+Cubature = "1.5"
+Distributions = "0.25.71"
 ExtendableSparse = "1"
-Flux = "0.12, 0.13"
-ForwardDiff = "0.10"
-GLM = "1.3"
+Flux = "0.13"
+ForwardDiff = "0.10.19"
+GLM = "1.5"
 IterativeSolvers = "0.9"
 LinearAlgebra = "1.9"
-PolyChaos = "0.2"
+PolyChaos = "0.2.5"
 Pkg = "1"
-QuadGK = "2"
-QuasiMonteCarlo = "0.3"
+QuadGK = "2.4"
+QuasiMonteCarlo = "0.3.1"
 SafeTestsets = "0.1"
 SparseArrays = "1.9"
-Statistics = "1"
+Statistics = "1.9"
 Test = "1"
-Tracker = "0.2"
-Zygote = "0.4, 0.5, 0.6"
+Tracker = "0.2.18"
+Zygote = "0.6.36"
 julia = "1.9"
 
 [extras]
diff --git a/test/runtests.jl b/test/runtests.jl
index 0c39dc03..5b1d127b 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -2,7 +2,6 @@ using Surrogates
 using Test
 using SafeTestsets
 using Pkg
-VERSION <= v"1.7" && Pkg.add(name = "Statistics", version = VERSION)
 
 function dev_subpkg(subpkg)
     subpkg_path = joinpath(dirname(@__DIR__), "lib", subpkg)