diff --git a/.github/workflows/Downgrade.yml b/.github/workflows/Downgrade.yml
new file mode 100644
index 00000000..8e335a29
--- /dev/null
+++ b/.github/workflows/Downgrade.yml
@@ -0,0 +1,32 @@
+name: Downgrade
+on:
+  pull_request:
+    branches:
+      - main
+      - dev
+    paths-ignore:
+      - 'docs/**'
+  push:
+    branches:
+      - main
+      - dev
+    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 }}
+      - name: registry_add
+        run: julia add_registries.jl
+      - uses: julia-actions/julia-downgrade-compat@v1
+        with:
+          skip: Pkg,TOML
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
diff --git a/Project.toml b/Project.toml
index ccf1451a..a7d68e17 100644
--- a/Project.toml
+++ b/Project.toml
@@ -42,33 +42,33 @@ LegendDataManagementPlotsExt = ["RecipesBase", "Plots"]
 LegendDataManagementSolidStateDetectorsExt = "SolidStateDetectors"
 
 [compat]
-Dates = "1"
-Distributed = "1"
+Dates = "<0.0.1, 1"
+Distributed = "<0.0.1, 1"
 Format = "1"
-Glob = "1"
+Glob = "1.3"
 IntervalSets = "0.6, 0.7"
 JSON = "0.21, 1"
 LegendDataTypes = "0.1.13"
-LRUCache = "1.5"
 LegendHDF5IO = "0.1.14"
-LinearAlgebra = "1"
+LinearAlgebra = "<0.0.1, 1"
+LRUCache = "1.5"
 MIMEs = "0.1"
-Markdown = "1"
-Measurements = "2"
+Markdown = "<0.0.1, 1"
+Measurements = "2.2.1"
 Pkg = "1"
-Plots = "1"
-Printf = "1"
-ProgressMeter = "1"
+Plots = "<0.0.1, 1"
+Printf = "<0.0.1, 1"
+ProgressMeter = "1.2"
 PropDicts = "0.2.4"
-PropertyDicts = "0.2"
-PropertyFunctions = "0.2.1"
+PropertyDicts = "0.2.1"
+PropertyFunctions = "0.2.2"
 RecipesBase = "1"
-SolidStateDetectors = "0.8, 0.9, 0.10"
+SolidStateDetectors = "0.8.1, 0.9, 0.10"
 StaticStrings = "0.2"
-Statistics = "1"
-StructArrays = "0.4, 0.5, 0.6"
-Tables = "0.2, 1.0"
+Statistics = "<0.0.1, 1"
+StructArrays = "0.5, 0.6"
+Tables = "1"
 TypedTables = "1.4"
-UUIDs = "1"
+UUIDs = "<0.0.1, 1"
 Unitful = "1"
 julia = "1.10"