diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6b869144..f8727455 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,8 +54,8 @@ jobs:
           julia --project=docs -e '
             using Pkg
             Pkg.develop(PackageSpec(path=pwd()))
-            Pkg.add(LinearOperatorCollection)
-            Pkg.add(Wavelets)
+            Pkg.add("LinearOperatorCollection")
+            Pkg.add("Wavelets")
             Pkg.instantiate()'
       - run: |
           julia --project=docs -e '