diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index f2080b38..6adccf3f 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -124,6 +124,11 @@ jobs:
             try
               # force it to use this PR's version of the package
               Pkg.develop(PackageSpec(path="."))  # resolver may fail with main deps
+              Pkg.develop(PackageSpec(path="./filters/H5Zbitshuffle"))
+              Pkg.develop(PackageSpec(path="./filters/H5Zblosc"))
+              Pkg.develop(PackageSpec(path="./filters/H5Zbzip2"))
+              Pkg.develop(PackageSpec(path="./filters/H5Zlz4"))
+              Pkg.develop(PackageSpec(path="./filters/H5Zzstd"))
               Pkg.update()
               Pkg.test()  # resolver may fail with test time deps
             catch err