diff --git a/README.md b/README.md
index 285213f..e740cdf 100644
--- a/README.md
+++ b/README.md
@@ -29,9 +29,9 @@ features:
 # Supported Compilers and Tools
 
 - CMake > 2.23.1
-- CUDA Toolkit + nvcc: 11.1 -> 12.4
-- g++: 7 -> 12
-- clang++: 9 -> 18
+- CUDA Toolkit + nvcc: 11.8 and above
+- g++: 7 -> 14
+- clang++: 14 -> 19
 - cl.exe: 2019 -> 2022 (19.29, 29.39)
 - Headers are tested with C++17 -> C++20.
 
diff --git a/ci/matrix.yaml b/ci/matrix.yaml
index 35a3f9e..ccff2a7 100644
--- a/ci/matrix.yaml
+++ b/ci/matrix.yaml
@@ -1,5 +1,5 @@
 
-cuda_prev_min: &cuda_prev_min '11.1' # Does not support the CUPTI APIs we use (added in 11.3)
+cuda_prev_min: &cuda_prev_min '11.1' # Unsupported: No cupti support, issues compiling newer fmt.
 cuda_prev_max: &cuda_prev_max '11.8'
 cuda_curr_min: &cuda_curr_min '12.0'
 cuda_curr_max: &cuda_curr_max '12.8'
@@ -42,9 +42,6 @@ msvc2022: &msvc2022 { name: 'cl', version: '14.39', exe: 'cl++' }
 # Configurations that will run for every PR
 pull_request:
   nvcc:
-    - {cuda: *cuda_prev_min, os: 'ubuntu18.04', cpu: 'amd64', compiler: *gcc7     }
-    - {cuda: *cuda_prev_min, os: 'ubuntu18.04', cpu: 'amd64', compiler: *gcc8     }
-    - {cuda: *cuda_prev_min, os: 'ubuntu18.04', cpu: 'amd64', compiler: *gcc9     }
     - {cuda: *cuda_prev_max, os: 'ubuntu22.04', cpu: 'amd64', compiler: *gcc11    }
     - {cuda: *cuda_curr_min, os: 'ubuntu20.04', cpu: 'amd64', compiler: *gcc7     }
     - {cuda: *cuda_curr_min, os: 'ubuntu20.04', cpu: 'amd64', compiler: *gcc8     }