diff --git a/.github/workflows/Downgrade-CI.yml b/.github/workflows/Downgrade-CI.yml
index a8c2da6f..fbf3f64f 100644
--- a/.github/workflows/Downgrade-CI.yml
+++ b/.github/workflows/Downgrade-CI.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@latest
         with:
-          version: 1
+          version: '1'
           arch: x64
       - run: julia -e 'using Pkg; pkg"add CompatHelperLocal"'
       - run: julia -e 'using Pkg; pkg"add ."'
@@ -35,7 +35,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@latest
         with:
-          version: 1
+          version: '1'
           arch: x64
       - run: julia -e 'using Pkg; pkg"add CompatHelperLocal"'
       - run: julia -e 'using Pkg; pkg"add ."'
@@ -45,7 +45,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        version: 1
+        version: '1'
         arch: x64
     steps:
       - uses: actions/checkout@v4