diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 29b116f..cd709a9 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -14,7 +14,7 @@ jobs:
         os: [ubuntu-latest]
     steps:
       - uses: actions/checkout@v7
-      - uses: julia-actions/install-juliaup@v3
+      - uses: julia-actions/install-juliaup@v3.1.4
         with:
            channel: ${{matrix.channel}}
       - uses: julia-actions/cache@v3