diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index ef2048f7..02476bb5 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -2,7 +2,7 @@ steps:
   - label: "CUDA"
     plugins:
       - JuliaCI/julia#v1:
-          version: "1.11"
+          version: "1.12"
       - JuliaCI/julia-coverage#v1:
           codecov: true
     commands: |
diff --git a/.github/workflows/Test.yml b/.github/workflows/Test.yml
index ff2c45ee..d41ac14d 100644
--- a/.github/workflows/Test.yml
+++ b/.github/workflows/Test.yml
@@ -15,14 +15,14 @@ jobs:
   test:
     name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ matrix.memory_backend }} - PoCL ${{ matrix.pocl }}
     runs-on: ${{ matrix.os }}
-    timeout-minutes: 60
+    timeout-minutes: 100
     permissions: # needed to allow julia-actions/cache to proactively delete old caches that it has created
       actions: write
       contents: read
     strategy:
       fail-fast: false
       matrix:
-        version: ['1.10', '1.11']
+        version: ['1.10', '1.12']
         os: [ubuntu-24.04, ubuntu-24.04-arm, macOS-15, macOS-15-intel, windows-2025]
         arch: [x64, arm64]
         pocl: [jll, local]
diff --git a/src/device/quirks.jl b/src/device/quirks.jl
index 9cdf15e9..25b3c06e 100644
--- a/src/device/quirks.jl
+++ b/src/device/quirks.jl
@@ -57,3 +57,12 @@ end
         @print_and_throw "Out-of-bounds access of scalar value"
     x
 end
+
+# From Metal.jl to avoid widemul and Int128
+@static if VERSION >= v"1.12.0-DEV.1736" # Partially reverts JuliaLang/julia PR #56750
+    BitInteger64 = Union{Int64, UInt64}
+    @device_override function Base.checkbounds(::Type{Bool}, v::StepRange{<:BitInteger64, <:BitInteger64}, i::BitInteger64)
+        @inline
+        return checkindex(Bool, eachindex(IndexLinear(), v), i)
+    end
+end
diff --git a/test/device.jl b/test/device.jl
index 94441053..ed5b2066 100644
--- a/test/device.jl
+++ b/test/device.jl
@@ -58,11 +58,19 @@
                 :max_image3d_shape,
             ]
         @test isa(cl.platform(), cl.Platform)
-        @test_throws ErrorException cl.platform().zjdlkf
+        if isdefined(Core, :FieldError) # VERSION > v"1.12.0-"
+            @test_throws FieldError cl.platform().zjdlkf
+        else
+            @test_throws ErrorException cl.platform().zjdlkf
+        end
 
         device = cl.device()
         @test isa(device, cl.Device)
-        @test_throws ErrorException device.zjdlkf
+        if isdefined(Core, :FieldError) # VERSION > v"1.12.0-"
+            @test_throws FieldError device.zjdlkf
+        else
+            @test_throws ErrorException device.zjdlkf
+        end
         for k in device_info_keys
             v = getproperty(device, k)
             if k == :extensions