diff --git a/.github/workflows/ci-clang-tidy.yml b/.github/workflows/ci-clang-tidy.yml
index 589a123a..41abb0eb 100644
--- a/.github/workflows/ci-clang-tidy.yml
+++ b/.github/workflows/ci-clang-tidy.yml
@@ -127,8 +127,11 @@ jobs:
           sed -i.backup '/^\[settings\]$/,/^\[/ s/^compiler.cppstd=.*/compiler.cppstd=${{ matrix.std }}/' ~/.conan2/profiles/default
           sed -i.backup '/^\[settings\]$/,/^\[/ s/^build_type=.*/build_type=${{ matrix.build_type }}/' ~/.conan2/profiles/default
           conan profile show -pr default
-      - run: echo "std_format=$([ "${{ matrix.formatting }}" == "std::format" ] && echo "True" || echo "False")" >> $GITHUB_ENV
-      - run: echo "import_std=$([ "${{ matrix.config.cxx_modules }}" == "True" ] && [ "${{ matrix.config.contracts }}" == "none" ] && [ "${{ matrix.formatting }}" == "std::format" ] && echo "True" || echo "False")" >> $GITHUB_ENV
+      - name: Set 'std_format' and 'import_std' environment variables
+        shell: bash
+        run: |
+          echo "std_format=$([ "${{ matrix.formatting }}" == "std::format" ] && echo "True" || echo "False")" >> $GITHUB_ENV
+          echo "import_std=$([ "${{ matrix.std }}" -ge "23" ] && [ "${{ matrix.config.cxx_modules }}" == "True" ] && [ "${{ matrix.config.contracts }}" == "none" ] && [ "${{ matrix.formatting }}" == "std::format" ] && echo "True" || echo "False")" >> $GITHUB_ENV
       - name: Run clang-tidy
         shell: bash
         run: |
diff --git a/.github/workflows/ci-conan.yml b/.github/workflows/ci-conan.yml
index c5e0ad7f..75abee7e 100644
--- a/.github/workflows/ci-conan.yml
+++ b/.github/workflows/ci-conan.yml
@@ -144,7 +144,7 @@ jobs:
         shell: bash
         run: |
           echo "std_format=$([ "${{ matrix.formatting }}" == "std::format" ] && echo "True" || echo "False")" >> $GITHUB_ENV
-          echo "import_std=$([ "${{ matrix.config.cxx_modules }}" == "True" ] && [ "${{ matrix.config.contracts }}" == "none" ] && [ "${{ matrix.formatting }}" == "std::format" ] && echo "True" || echo "False")" >> $GITHUB_ENV
+          echo "import_std=$([ "${{ matrix.std }}" -ge "23" ] && [ "${{ matrix.config.cxx_modules }}" == "True" ] && [ "${{ matrix.config.contracts }}" == "none" ] && [ "${{ matrix.formatting }}" == "std::format" ] && echo "True" || echo "False")" >> $GITHUB_ENV
       - name: Create Conan package
         if: matrix.config.compiler.type != 'MSVC'
         shell: bash
diff --git a/.github/workflows/ci-test-package-cmake.yml b/.github/workflows/ci-test-package-cmake.yml
index 10e4e2ed..d8680291 100644
--- a/.github/workflows/ci-test-package-cmake.yml
+++ b/.github/workflows/ci-test-package-cmake.yml
@@ -151,8 +151,8 @@ jobs:
       - name: Set 'std_format' and 'import_std' environment variables
         shell: bash
         run: |
-            echo "std_format=$([ "${{ matrix.formatting }}" == "std::format" ] && echo "True" || echo "False")" >> $GITHUB_ENV
-            echo "import_std=$([ "${{ matrix.config.cxx_modules }}" == "True" ] && [ "${{ matrix.config.contracts }}" == "none" ] && [ "${{ matrix.formatting }}" == "std::format" ] && echo "True" || echo "False")" >> $GITHUB_ENV
+          echo "std_format=$([ "${{ matrix.formatting }}" == "std::format" ] && echo "True" || echo "False")" >> $GITHUB_ENV
+          echo "import_std=$([ "${{ matrix.std }}" -ge "23" ] && [ "${{ matrix.config.cxx_modules }}" == "True" ] && [ "${{ matrix.config.contracts }}" == "none" ] && [ "${{ matrix.formatting }}" == "std::format" ] && echo "True" || echo "False")" >> $GITHUB_ENV
       - name: Install Conan dependencies
         shell: bash
         run: |