diff --git a/.github/workflows/ci-julia-nightly.yml b/.github/workflows/ci-julia-nightly.yml
index 7ebf5c3..d601205 100644
--- a/.github/workflows/ci-julia-nightly.yml
+++ b/.github/workflows/ci-julia-nightly.yml
@@ -28,7 +28,7 @@ jobs:
             threads: 2
     steps:
       - uses: actions/checkout@v7
-      - uses: julia-actions/install-juliaup@v3
+      - uses: julia-actions/install-juliaup@v3.1.4
         with:
           channel: ${{ matrix.version }}~${{ matrix.arch }}
       - uses: julia-actions/cache@v3