diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 39003b708..a3781e67e 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -41,7 +41,7 @@ jobs:
           # be able to properly deal with PRs / merges
           fetch-depth: 2
       - name: "Set up Julia"
-        uses: julia-actions/setup-julia@v1
+        uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}
       - name: "Cache artifacts"
@@ -76,7 +76,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: julia-actions/setup-julia@v1
+      - uses: julia-actions/setup-julia@v2
         with:
           version: '1.10'
       - name: "Cache artifacts"
diff --git a/.github/workflows/Invalidations.yml b/.github/workflows/Invalidations.yml
index cba2be955..f8edf7299 100644
--- a/.github/workflows/Invalidations.yml
+++ b/.github/workflows/Invalidations.yml
@@ -16,7 +16,7 @@ jobs:
     if: github.base_ref == github.event.repository.default_branch
     runs-on: ubuntu-latest
     steps:
-    - uses: julia-actions/setup-julia@v1
+    - uses: julia-actions/setup-julia@v2
       with:
         version: '1'
     - uses: julia-actions/cache@v1
diff --git a/.github/workflows/oscar.yml b/.github/workflows/oscar.yml
index f058bce0d..344195a6b 100644
--- a/.github/workflows/oscar.yml
+++ b/.github/workflows/oscar.yml
@@ -26,7 +26,7 @@ jobs:
     steps:
     - uses: actions/checkout@v4
     - name: "Set up Julia"
-      uses: julia-actions/setup-julia@v1
+      uses: julia-actions/setup-julia@v2
       with:
         version: '1.10'
     - name: OscarDevTools - CI
@@ -66,7 +66,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: "Set up Julia"
-        uses: julia-actions/setup-julia@v1
+        uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.julia-version }}
       - name: re-using OscarDevTools checkout
diff --git a/.github/workflows/treehash.yml b/.github/workflows/treehash.yml
index 44f26e7d4..d66fc5e06 100644
--- a/.github/workflows/treehash.yml
+++ b/.github/workflows/treehash.yml
@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: "Set up Julia"
-        uses: julia-actions/setup-julia@v1
+        uses: julia-actions/setup-julia@v2
         with:
           version: 1
       - name: "Cache artifacts"