diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index d2f326dcaf..b7f478db2d 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -30,6 +30,11 @@ jobs:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
       - uses: julia-actions/cache@v3
+      - name: Add AstroRegistry
+        shell: julia --project=. --color=yes {0}
+        run: |
+          import Pkg
+          Pkg.Registry.add(Pkg.RegistrySpec(url="https://github.com/astro-group-bristol/AstroRegistry/"))
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
         with:
diff --git a/.github/workflows/Documentation.yml b/.github/workflows/Documentation.yml
index 431ab32113..e277f0c577 100644
--- a/.github/workflows/Documentation.yml
+++ b/.github/workflows/Documentation.yml
@@ -15,6 +15,12 @@ jobs:
         with:
           version: "1"
       - uses: julia-actions/cache@v3
+      - name: Add AstroRegistry
+        shell: julia --project=. --color=yes {0}
+        run: |
+          import Pkg
+          Pkg.Registry.add("General")
+          Pkg.Registry.add(Pkg.RegistrySpec(url="https://github.com/astro-group-bristol/AstroRegistry/"))
       - uses: julia-actions/julia-docdeploy@v1
         env:
           DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }}
diff --git a/test/_packages.jl b/test/_packages.jl
index 5cb761f182..4464bf3b18 100644
--- a/test/_packages.jl
+++ b/test/_packages.jl
@@ -1,18 +1,39 @@
 function test_packages(mode)
+    Pkg.activate(; temp = true)
     @testset "Compatibility - $(mode)" begin
         for package in packages_juliaastro
             p_name = package.name
             @info string("Adding: ", p_name)
             @testset "$(p_name)" begin
                 if mode == :release
-                    if p_name == "Spectra.jl"
-                        # TODO: Register
-                        @test Pkg.add(url="https://github.com/JuliaAstro/Spectra.jl") == nothing
+                    if p_name == "ASDF.jl"
+                        # TODO: Register ASDF.jl v2 (v1 Python version currently broken)
+                        @test_skip p_name
+                    elseif p_name == "Spectra.jl"
+                        # TODO: Register SpectrumBase.jl
+                        @test_skip p_name
+                    elseif p_name == "GeneralAstrodynamics.jl"
+                        @test_skip p_name
                     else
+                        @info "Adding package" p_name
                         @test Pkg.add(chopsuffix(p_name, ".jl")) == nothing
                     end
                 elseif mode == :dev
-                    @test Pkg.add(url=package.repo) == nothing
+                    # Currently needed for Astroalign.jl until ConsensusFitting.jl is registered
+                    Pkg.add(url = "https://github.com/JuliaAstro/ConsensusFitting.jl")
+                    if p_name == "GeneralAstrodynamics.jl"
+                        # https://github.com/JuliaAstro/GeneralAstrodynamics.jl/pull/275
+                        repo = "https://github.com/JuliaAstro/GeneralAstrodynamics.jl"
+                        Pkg.add([
+                            Pkg.PackageSpec(; url = repo, subdir = "lib/AstrodynamicalCalculations"),
+                            Pkg.PackageSpec(; url = repo, subdir = "lib/AstrodynamicalModels"),
+                            Pkg.PackageSpec(; url = repo, subdir = "lib/AstrodynamicalSolvers"),
+                            Pkg.PackageSpec(; url = repo),
+                        ])
+                        @test Pkg.add(url = "https://github.com/JuliaAstro/GeneralAstrodynamics.jl") == nothing
+                    else
+                        @test Pkg.add(url = package.repo) == nothing
+                    end
                 else
                     throw(ArgumentError("`mode` argument to `test_packages` must be either `:release` or `:dev`."))
                 end
@@ -20,12 +41,15 @@ function test_packages(mode)
         end
 
         @testset "Precompilation" begin
-            @test Pkg.precompile(; strict=true) == nothing
+            @test (Pkg.precompile(; strict = true); true)
         end
 
         @testset "Package loading" begin
             for package in packages_juliaastro
                 p_name = package.name
+                if mode == :release && p_name ∈ ["ASDF.jl", "Spectra.jl", "GeneralAstrodynamics.jl"]
+                    continue
+                end
                 @info string("Loading: ", p_name)
                 @testset "$(p_name)" begin
                     @test eval(quote