diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index 60e416d4..917318b0 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -2,7 +2,7 @@ steps:
   - label: "CUDA.jl"
     plugins:
       - JuliaCI/julia#v1:
-          version: "1.10"
+          version: "1.11"
       - JuliaCI/julia-coverage#v1:
           codecov: true
     command: |
@@ -25,7 +25,7 @@ steps:
   - label: "oneAPI.jl"
     plugins:
       - JuliaCI/julia#v1:
-          version: "1.10"
+          version: "1.11"
       - JuliaCI/julia-coverage#v1:
           codecov: true
     command: |
@@ -52,7 +52,7 @@ steps:
   - label: "Metal.jl"
     plugins:
       - JuliaCI/julia#v1:
-          version: "1.10"
+          version: "1.11"
       - JuliaCI/julia-coverage#v1:
           codecov: true
     command: |
@@ -76,7 +76,7 @@ steps:
   - label: "AMDGPU.jl"
     plugins:
       - JuliaCI/julia#v1:
-          version: "1.10"
+          version: "1.11"
       - JuliaCI/julia-coverage#v1:
           codecov: true
     command: |
@@ -96,12 +96,38 @@ steps:
     soft_fail:
       - exit_status: 3
 
-  - label: "Enzyme.jl"
+  - label: "OpenCL.jl"
     plugins:
       - JuliaCI/julia#v1:
           version: "1.10"
       - JuliaCI/julia-coverage#v1:
           codecov: true
+    command: |
+      julia -e 'println("--- :julia: Instantiating project")
+                using Pkg
+                Pkg.develop(; path=pwd())
+                Pkg.develop(; name="OpenCL")
+                Pkg.develop(; name="SPIRVIntrinsics")' || exit 3
+
+       julia -e 'println("+++ :julia: Running tests")
+                using Pkg
+                Pkg.test("OpenCL"; coverage=true)'
+    agents:
+      # XXX: not on "juliaecosystem" because those workers don't have libc-dev
+      #      see JuliaGPU/OpenCL.jl#303
+      queue: "juliagpu"
+      cuda: "*"
+    if: build.message !~ /\[skip tests\]/ && !build.pull_request.draft
+    timeout_in_minutes: 120
+    soft_fail:
+      - exit_status: 3
+
+  - label: "Enzyme.jl"
+    plugins:
+      - JuliaCI/julia#v1:
+          version: "1.11"
+      - JuliaCI/julia-coverage#v1:
+          codecov: true
     command: |
       julia -e 'println("--- :julia: Instantiating project")
                 using Pkg
@@ -112,7 +138,9 @@ steps:
                 using Pkg
                 Pkg.test("Enzyme"; coverage=true, julia_args=`--depwarn=no`)'
     agents:
-      queue: "juliagpu"
+      queue: "juliaecosystem"
+      os: "linux"
+      arch: "x86_64"
     if: build.message !~ /\[skip tests\]/ && !build.pull_request.draft
     timeout_in_minutes: 60
     soft_fail:
@@ -120,4 +148,3 @@ steps:
 
 env:
   JULIA_PKG_SERVER: "" # it often struggles with our large artifacts
-  SECRET_CODECOV_TOKEN: "ya+qhtTvHdnO/U1KSoTcdCRB4WCCFU7Or2wt7YlzSZJWqITbLxidDfvqxTMG0mPo6M9I2XW6GULCleA9okq06reF5//14WSmxiF8qPwBONj6m+ImdkLpju2FfLCAtISFJYRM5OJRdDuQ5hKz+FyNoDG/jWBm/vrHoXzrVOHpcHGOPvrEtSwkdo8ew0prFq5RTi6c0Pe+Vj+xRMH7o8QhIPisYUd4RWsA/BL3ukxqSSzpU1+ZJ4F5v6eZILSaKSPb04FzpotkbH+UUCvJSn28Cif+JQANJ9HDLgaa1BbSlOAcu7syktS2fJOyOTfE67er9Lu8utqz6973Evnqjfbclw==;U2FsdGVkX19sIzsESyU7ZuRndlTrQy67iOsrPzevxn+W/dWZBd3ds5Soh1ig5ivoUi4tLZrqUv/ZyPIHohVy0A=="
diff --git a/.github/workflows/Test.yml b/.github/workflows/Test.yml
index 05632cdc..f604816e 100644
--- a/.github/workflows/Test.yml
+++ b/.github/workflows/Test.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ['1.10', '1.11', '1.12-nightly', 'nightly']
+        version: ['1.10', '1.11', '1.12-nightly'] # nightly
         os: [ubuntu-latest, macOS-latest, windows-latest]
         arch: [x64]
         llvm_args: ['']
@@ -52,24 +52,24 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      # install Julia
-      - uses: julia-actions/setup-julia@v2
+      - name: Install Julia
+        uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
 
-      # set-up packages
-      - uses: julia-actions/cache@v2
-      - uses: julia-actions/julia-buildpkg@v1
+      - name: Set-up cache
+        uses: julia-actions/cache@v2
 
       - name: Run tests
         uses: julia-actions/julia-runtest@v1
         env:
           JULIA_LLVM_ARGS: ${{ matrix.llvm_args }}
 
-      # post-process
-      - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v5
+      - name: Process coverage
+        uses: julia-actions/julia-processcoverage@v1
+      - name: Submit coverage
+        uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: false
@@ -109,18 +109,18 @@ jobs:
           rm julia.tar.gz
           echo $PWD/../julia-*/bin >> $GITHUB_PATH
 
-      # set-up packages
-      - uses: julia-actions/cache@v2
-      - uses: julia-actions/julia-buildpkg@v1
+      - name: Set-up cache
+        uses: julia-actions/cache@v2
 
       - name: Run tests
         uses: julia-actions/julia-runtest@v1
         env:
           JULIA_LLVM_ARGS: ${{ matrix.llvm_args }}
 
-      # post-process
-      - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v5
+      - name: Process coverage
+        uses: julia-actions/julia-processcoverage@v1
+      - name: Submit coverage
+        uses: codecov/codecov-action@v5
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: false