diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 39c1d32..2774fa0 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -13,9 +13,9 @@ jobs:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@latest
         with:
-          version: '1.6'
+          version: '1.9'
       - name: Develop PseudoBooleanOptimization.jl
-        run: julia --project=docs -e 'using Pkg; Pkg.develop(path=pwd())'
+        run: julia --project=docs -e 'using Pkg; Pkg.develop(path=pwd()); Pkg.instantiate()'
       - uses: julia-actions/julia-buildpkg@latest
         with: 
             project: "docs"