diff --git a/.github/workflows/ci-conan.yml b/.github/workflows/ci-conan.yml
index 2347f579..52b4955c 100644
--- a/.github/workflows/ci-conan.yml
+++ b/.github/workflows/ci-conan.yml
@@ -95,7 +95,7 @@ jobs:
                 },
               lib: "libc++",
               cxx_modules: "False",
-              std_format_support: "True",
+              std_format_support: "False",
               conan-config: "",
             }
           - {
@@ -124,7 +124,7 @@ jobs:
                   cxx: "clang++",
                 },
               cxx_modules: "False",
-              std_format_support: "True",
+              std_format_support: "False",
               conan-config: "",
             }
         build_type: ["Release", "Debug"]
diff --git a/.github/workflows/ci-test-package-cmake.yml b/.github/workflows/ci-test-package-cmake.yml
index 34170a91..a24bbefb 100644
--- a/.github/workflows/ci-test-package-cmake.yml
+++ b/.github/workflows/ci-test-package-cmake.yml
@@ -92,7 +92,7 @@ jobs:
                 },
               lib: "libc++",
               cxx_modules: "False",
-              std_format_support: "True",
+              std_format_support: "False",
             }
           - {
               name: "Clang-17",
@@ -119,7 +119,7 @@ jobs:
                   cxx: "clang++",
                 },
               cxx_modules: "False",
-              std_format_support: "True",
+              std_format_support: "False",
             }
         build_type: ["Release", "Debug"]
         exclude: