diff --git a/.gitlab/ci/build.yml b/.gitlab/ci/build.yml
index 96ede903cc..014c00889d 100644
--- a/.gitlab/ci/build.yml
+++ b/.gitlab/ci/build.yml
@@ -658,9 +658,6 @@ build_clang_test_apps_esp32c2:
   extends:
     - .build_clang_test_apps_riscv
     - .rules:build:custom_test-esp32c2
-  # spec files and nano libc are not supported yet by esp-clang
-  # TODO: LLVM-197
-  allow_failure: true
   variables:
     IDF_TARGET: esp32c2
 
diff --git a/components/newlib/CMakeLists.txt b/components/newlib/CMakeLists.txt
index 5e3e4efa1e..0cbce719ef 100644
--- a/components/newlib/CMakeLists.txt
+++ b/components/newlib/CMakeLists.txt
@@ -49,7 +49,19 @@ list(APPEND EXTRA_LINK_FLAGS "-u newlib_include_assert_impl")
 target_link_libraries(${COMPONENT_LIB} INTERFACE "${EXTRA_LINK_FLAGS}")
 
 if(CONFIG_NEWLIB_NANO_FORMAT)
-    target_link_libraries(${COMPONENT_LIB} INTERFACE "--specs=nano.specs")
+    if(CMAKE_C_COMPILER_ID MATCHES "Clang")
+        set(libc_dir_cmd ${CMAKE_C_COMPILER})
+        string(REPLACE " " ";" cflags_list ${CMAKE_C_FLAGS})
+        list(APPEND libc_dir_cmd ${cflags_list} "-print-file-name=libc.a")
+        execute_process(
+            COMMAND ${libc_dir_cmd}
+            OUTPUT_VARIABLE libc_dir
+        )
+        get_filename_component(libc_dir ${libc_dir} DIRECTORY)
+        target_link_directories(${COMPONENT_LIB} INTERFACE "${libc_dir}/nano")
+    else()
+        target_link_libraries(${COMPONENT_LIB} INTERFACE "--specs=nano.specs")
+    endif()
 endif()
 
 add_subdirectory(port)
diff --git a/tools/tools.json b/tools/tools.json
index c35fd07735..784cbe17eb 100644
--- a/tools/tools.json
+++ b/tools/tools.json
@@ -401,36 +401,36 @@
       "versions": [
         {
           "linux-amd64": {
-            "sha256": "30379631cc1cdf6526940494964371a90aa7a940c4ff7333d9ffab35e6c0f978",
-            "size": 198800680,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-15.0.0-20221014/llvm-esp-15.0.0-20221014-linux-amd64.tar.xz"
+            "sha256": "839e5adfa7f44982e8a2d828680f6e4aa435dcd3d1df765e02f015b04286056f",
+            "size": 209731340,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-15.0.0-20221201/llvm-esp-15.0.0-20221201-linux-amd64.tar.xz"
           },
           "linux-arm64": {
-            "sha256": "c40c1c1d7ee94fc5967641aaffcbca263018b2df4f1d4249636c1adff0e35542",
-            "size": 204969304,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-15.0.0-20221014/llvm-esp-15.0.0-20221014-linux-arm64.tar.xz"
+            "sha256": "614c44ab7305d65dde54a884c5614516777038027dc61bcc125d02171c248c53",
+            "size": 220076792,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-15.0.0-20221201/llvm-esp-15.0.0-20221201-linux-arm64.tar.xz"
           },
           "linux-armhf": {
-            "sha256": "3931c81cdaa44a47739663b647e68778d3ed9532d67096618d6901ae3adfb3c1",
-            "size": 196967420,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-15.0.0-20221014/llvm-esp-15.0.0-20221014-linux-armhf.tar.xz"
+            "sha256": "158076696e4fc608e6e2b54bf739223b78949e0492ad4aa5119632ebfbea0499",
+            "size": 209791724,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-15.0.0-20221201/llvm-esp-15.0.0-20221201-linux-armhf.tar.xz"
           },
           "macos": {
-            "sha256": "e7066b1dd74cbd42c3e5d140013b0b357c190b5361a1c2fd92e29efa34305cff",
-            "size": 164130904,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-15.0.0-20221014/llvm-esp-15.0.0-20221014-macos.tar.xz"
+            "sha256": "46f0f0368b5aa8d7e81558796c3acd67d943c9071b9619f2b487136c8e59c97c",
+            "size": 177703432,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-15.0.0-20221201/llvm-esp-15.0.0-20221201-macos.tar.xz"
           },
           "macos-arm64": {
-            "sha256": "02b8af2bd934d4352da3743fc86c00d9258309d307c5af7f2be0cf85551535d3",
-            "size": 154036240,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-15.0.0-20221014/llvm-esp-15.0.0-20221014-macos-arm64.tar.xz"
+            "sha256": "dc5a99186f9f532a5076d6900828310e4673cf01e8071a3d041456e8aab2cc4a",
+            "size": 167630856,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-15.0.0-20221201/llvm-esp-15.0.0-20221201-macos-arm64.tar.xz"
           },
-          "name": "15.0.0-32e64117af",
+          "name": "15.0.0-23786128ae",
           "status": "recommended",
           "win64": {
-            "sha256": "eba58ea6f9018c43748e938986f32c039a6dc49a384d994e9e515502b04c83f0",
-            "size": 230488412,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-15.0.0-20221014/llvm-esp-15.0.0-20221014-win64.tar.xz"
+            "sha256": "87c9b2c2b8837535f102ae3fd5789defecbffa80b317f86055f3e9d6292aaa05",
+            "size": 241235020,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-15.0.0-20221201/llvm-esp-15.0.0-20221201-win64.tar.xz"
           }
         }
       ]