diff --git a/.github/workflows/CI_ubuntu.yaml b/.github/workflows/CI_ubuntu.yaml
index 3b5a3995..4d14d4fb 100644
--- a/.github/workflows/CI_ubuntu.yaml
+++ b/.github/workflows/CI_ubuntu.yaml
@@ -89,6 +89,7 @@ jobs:
           -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
           -DTGBM_ENABLE_TESTS=ON
           -DCMAKE_LINKER_TYPE=LLD
+          -DCMAKE_CXX_STANDARD=20
 
       - name: Build project
         run: >
diff --git a/.github/workflows/format.yaml b/.github/workflows/format.yaml
index 89739168..6b820175 100644
--- a/.github/workflows/format.yaml
+++ b/.github/workflows/format.yaml
@@ -31,13 +31,13 @@ jobs:
         run: |
           sudo apt install clang-format-17
       - name: Format
-        run: ^
+        run: >
           sudo make 
           -f scripts/ci_ubuntu.make 
           format
 
       - name: Check if all files are committed to git
-        run: ^
+        run: >
           sudo make 
           -f scripts/ci_ubuntu.make 
           check-git-status