diff --git a/.circleci/config.yml b/.circleci/config.yml
index 28afafb006..a7528f563a 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -28,7 +28,7 @@ jobs:
               "cmake esp-idf"
             )
 
-            RESOURCE_LARGE='["nrf", "imxrt"]'
+            RESOURCE_LARGE='["nrf", "imxrt", "kinetis_k"]'
 
             for e in "${BUILDSYSTEM_TOOLCHAIN[@]}"; do
               e_arr=($e)
diff --git a/.circleci/config2.yml b/.circleci/config2.yml
index 6655fe45de..e811ef3ede 100644
--- a/.circleci/config2.yml
+++ b/.circleci/config2.yml
@@ -12,7 +12,7 @@ commands:
           command: |
             TOOLCHAIN_JSON='{
               "aarch64-gcc": "https://developer.arm.com/-/media/Files/downloads/gnu-a/10.3-2021.07/binrel/gcc-arm-10.3-2021.07-x86_64-aarch64-none-elf.tar.xz",
-              "arm-clang": "https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm/releases/download/release-17.0.1/LLVMEmbeddedToolchainForArm-17.0.1-Linux-x86_64.tar.xz",
+              "arm-clang": "https://github.com/ARM-software/LLVM-embedded-toolchain-for-Arm/releases/download/release-19.1.1/LLVM-ET-Arm-19.1.1-Linux-x86_64.tar.xz",
               "arm-gcc": "https://github.com/xpack-dev-tools/arm-none-eabi-gcc-xpack/releases/download/v13.2.1-1.1/xpack-arm-none-eabi-gcc-13.2.1-1.1-linux-x64.tar.gz",
               "msp430-gcc": "http://software-dl.ti.com/msp430/msp430_public_sw/mcu/msp430/MSPGCC/9_2_0_0/export/msp430-gcc-9.2.0.50_linux64.tar.bz2",
               "riscv-gcc": "https://github.com/xpack-dev-tools/riscv-none-elf-gcc-xpack/releases/download/v13.2.0-2/xpack-riscv-none-elf-gcc-13.2.0-2-linux-x64.tar.gz",
diff --git a/.github/workflows/ci_set_matrix.py b/.github/workflows/ci_set_matrix.py
index 705dcac94c..093a374103 100755
--- a/.github/workflows/ci_set_matrix.py
+++ b/.github/workflows/ci_set_matrix.py
@@ -20,7 +20,8 @@
     "ch32v10x ch32v20x ch32v307 fomu gd32vf103": ["riscv-gcc"],
     "da1469x": ["arm-gcc"],
     "imxrt": ["arm-gcc", "arm-clang"],
-    "kinetis_k kinetis_kl kinetis_k32l2": ["arm-gcc", "arm-clang"],
+    "kinetis_k" : ["arm-gcc", "arm-clang"],
+    "kinetis_kl kinetis_k32l2": ["arm-gcc", "arm-clang"],
     "lpc11 lpc13 lpc15": ["arm-gcc", "arm-clang"],
     "lpc17 lpc18 lpc40 lpc43": ["arm-gcc", "arm-clang"],
     "lpc51 lpc54 lpc55": ["arm-gcc", "arm-clang"],