diff --git a/.github/workflows/ci-conan.yml b/.github/workflows/ci-conan.yml
index c8a01941..b57c088d 100644
--- a/.github/workflows/ci-conan.yml
+++ b/.github/workflows/ci-conan.yml
@@ -113,6 +113,21 @@ jobs:
               std_format_support: "True",
               conan-config: "",
             }
+          - {
+              name: "Clang-18",
+              os: ubuntu-22.04,
+              compiler:
+                {
+                  type: CLANG,
+                  version: 18,
+                  cc: "clang-18",
+                  cxx: "clang++-18",
+                },
+              lib: "libc++",
+              cxx_modules: "True",
+              std_format_support: "True",
+              conan-config: "",
+            }
           - {
               name: "Apple Clang 15",
               os: macos-13,
diff --git a/.github/workflows/ci-test-package-cmake.yml b/.github/workflows/ci-test-package-cmake.yml
index 353685a5..2a102515 100644
--- a/.github/workflows/ci-test-package-cmake.yml
+++ b/.github/workflows/ci-test-package-cmake.yml
@@ -108,6 +108,20 @@ jobs:
               cxx_modules: "False",
               std_format_support: "True",
             }
+          - {
+              name: "Clang-18",
+              os: ubuntu-22.04,
+              compiler:
+                {
+                  type: CLANG,
+                  version: 18,
+                  cc: "clang-18",
+                  cxx: "clang++-18",
+                },
+              lib: "libc++",
+              cxx_modules: "False",
+              std_format_support: "True"
+            }
           - {
               name: "Apple Clang 15",
               os: macos-13,