diff --git a/.github/workflows/Downgrade.yml b/.github/workflows/Downgrade.yml
index 53abc0e4b..39e4e5465 100644
--- a/.github/workflows/Downgrade.yml
+++ b/.github/workflows/Downgrade.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        version: ['1.10']
+        version: ['1.10','1']
     steps:
       - uses: actions/checkout@v4
       - uses: julia-actions/setup-julia@v2
diff --git a/Project.toml b/Project.toml
index 01da0cdd0..4b4b212fc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -50,8 +50,8 @@ Adapt = "3, 4"
 ArraysOfArrays = "0.5, 0.6"
 Clustering = "0.15"
 DataStructures = "0.17, 0.18"
-Distributions = "0.24.5, 0.25"
-FillArrays = "0.9, 0.10, 0.11, 0.12, 0.13, 1"
+Distributions = "0.25.49"
+FillArrays = "0.13.8, 1"
 Format = "1.2"
 GPUArrays = "8, 9, 10, 11"
 Geant4 = "0.1.13, 0.2"
@@ -73,7 +73,7 @@ Random = "<0.0.1, 1"
 RecipesBase = "1"
 Requires = "1.1"
 Rotations = "1"
-StaticArrays = "1"
+StaticArrays = "1.5"
 Statistics = "<0.0.1, 1"
 StatsBase = "0.33.7, 0.34"
 Suppressor = "0.2"