diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index 3e8ce19..eff159f 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -71,7 +71,7 @@ jobs:
             }
           ],
           "clang": [
-            { "versions": ["22"],
+            { "versions": ["23"],
               "tests": [
                 {"cxxversions": ["c++26"],
                   "tests": [
@@ -90,7 +90,7 @@ jobs:
                 }
               ]
             },
-            { "versions": ["21", "20", "19"],
+            { "versions": ["22", "21", "20", "19"],
               "tests": [
                 { "cxxversions": ["c++26", "c++23", "c++20"],
                   "tests": [
diff --git a/README.md b/README.md
index 327c0a5..c249f14 100644
--- a/README.md
+++ b/README.md
@@ -140,9 +140,9 @@ You can disable building examples by setting CMake option `BEMAN_ITERATOR_INTERF
 
 | Compiler | Version | C++ Standards | Standard Library  |
 |----------|---------|---------------|-------------------|
-| GCC      | 15-13   | C++26-C++20   | libstdc++         |
+| GCC      | 14-13   | C++26-C++20   | libstdc++         |
 | GCC      | 12      | C++23, C++20  | libstdc++         |
-| Clang    | 22-19   | C++26-C++20   | libstdc++, libc++ |
+| Clang    | 23-19   | C++26-C++20   | libstdc++, libc++ |
 | Clang    | 18      | C++26-C++20   | libc++            |
 | Clang    | 18      | C++23, C++20  | libstdc++         |
 | Clang    | 17      | C++26-C++20   | libc++            |