diff --git a/.github/workflows/doc.yml b/.github/workflows/doc.yml
index e774c48..3d1ef78 100644
--- a/.github/workflows/doc.yml
+++ b/.github/workflows/doc.yml
@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@latest
         with:
-          version: 1.3
+          version: 1.6
       - name: Install dependencies
         run: julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd())); Pkg.instantiate()'
       - name: Build and deploy