diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index b657a30..2cca32e 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -75,7 +75,7 @@ jobs:
             }
           ],
           "clang": [
-            { "versions": ["22"],
+            { "versions": ["23"],
               "tests": [
                 {"cxxversions": ["c++26"],
                   "tests": [
@@ -94,7 +94,7 @@ jobs:
                 }
               ]
             },
-            { "versions": ["21", "20", "19"],
+            { "versions": ["22", "21", "20", "19"],
               "tests": [
                 { "cxxversions": ["c++26", "c++23", "c++20"],
                   "tests": [
@@ -178,7 +178,7 @@ jobs:
             }
           ],
           "clang": [
-            { "versions": ["22"],
+            { "versions": ["23"],
               "tests": [
                 { "cxxversions": ["c++23", "c++17"],
                   "tests": [
@@ -187,7 +187,7 @@ jobs:
                 }
               ]
             },
-            { "versions": ["21", "20", "19"],
+            { "versions": ["22", "21", "20", "19"],
               "tests": [
                 { "cxxversions": ["c++26", "c++17"],
                   "tests": [
diff --git a/README.md b/README.md
index 65b7baa..2a93b88 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ You can disable building examples by setting CMake option `BEMAN_CSTRING_VIEW_BU
 |------------|---------|---------------|-------------------|
 | GCC        | 16-13   | C++26-C++17   | libstdc++         |
 | GCC        | 12-11   | C++23-C++17   | libstdc++         |
-| Clang      | 22-19   | C++26-C++17   | libstdc++, libc++ |
+| Clang      | 23-19   | C++26-C++17   | libstdc++, libc++ |
 | Clang      | 18      | C++26-C++17   | libc++            |
 | Clang      | 18      | C++23-C++17   | libstdc++         |
 | Clang      | 17      | C++26-C++17   | libc++            |