diff --git a/.github/workflows/CI-CPU.yml b/.github/workflows/CI-CPU.yml
index a7e99782..10eaf763 100644
--- a/.github/workflows/CI-CPU.yml
+++ b/.github/workflows/CI-CPU.yml
@@ -125,11 +125,15 @@ jobs:
           arch: x64
       - uses: julia-actions/cache@v3
       - name: Develop AcceleratedKernels and KernelAbstractions main into the test environment
+        # KernelInterface is unregistered and only reaches KernelAbstractions through its
+        # `[sources]`, which Julia 1.10 ignores, so develop it explicitly.
         run: |
           julia --project=test -e '
             using Pkg
             Pkg.develop([PackageSpec(path="."),
-                         PackageSpec(url="https://github.com/JuliaGPU/KernelAbstractions.jl")])'
+                         PackageSpec(url="https://github.com/JuliaGPU/KernelAbstractions.jl"),
+                         PackageSpec(url="https://github.com/JuliaGPU/KernelAbstractions.jl",
+                                     subdir="lib/KernelInterface")])'
       - name: Run tests
         # only the generic tests: the others, Aqua included, do not depend on the backend
         run: julia --project=test test/runtests.jl --cpu-ka cpu-ka/
diff --git a/Project.toml b/Project.toml
index bcd93597..b5162d14 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "AcceleratedKernels"
 uuid = "6a4ca0a5-0e36-4168-a932-d9be78d558f1"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Andrei-Leonard Nicusan <leonard@evophase.co.uk> and contributors"]
 
 [deps]
@@ -39,6 +39,6 @@ Markdown = "1"
 Metal = "1.10.1"
 OpenCL = "0.10"
 SIMD = "3"
-UnsafeAtomics = "0.3.0"
+UnsafeAtomics = "0.3, 0.4"
 julia = "1.10"
 oneAPI = "1, 2"