diff --git a/.github/workflows/linux-x86_64.yml b/.github/workflows/linux-x86_64.yml
index a053c5f..196ed98 100644
--- a/.github/workflows/linux-x86_64.yml
+++ b/.github/workflows/linux-x86_64.yml
@@ -12,6 +12,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+    - name: select gcc 10
+      run: |
+        sudo update-alternatives \
+            --install /usr/bin/gcc gcc /usr/bin/gcc-10 100 \
+            --slave /usr/bin/g++ g++ /usr/bin/g++-10 \
+            --slave /usr/bin/gcc-ar gcc-ar /usr/bin/gcc-ar-10 \
+            --slave /usr/bin/gcc-nm gcc-nm /usr/bin/gcc-nm-10 \
+            --slave /usr/bin/gcc-ranlib gcc-ranlib /usr/bin/gcc-ranlib-10 \
+            --slave /usr/bin/gcov gcov /usr/bin/gcov-10 \
+            --slave /usr/bin/gcov-dump gcov-dump /usr/bin/gcov-dump-10 \
+            --slave /usr/bin/gcov-tool gcov-tool /usr/bin/gcov-tool-10
     - uses: actions/checkout@v3
     - name: Install prerequisite
       run: sudo apt-get install ninja-build
diff --git a/.github/workflows/release-linux.yml b/.github/workflows/release-linux.yml
index 96a94fe..a66748b 100644
--- a/.github/workflows/release-linux.yml
+++ b/.github/workflows/release-linux.yml
@@ -12,6 +12,17 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
+    - name: select gcc 10
+      run: |
+        sudo update-alternatives \
+            --install /usr/bin/gcc gcc /usr/bin/gcc-10 100 \
+            --slave /usr/bin/g++ g++ /usr/bin/g++-10 \
+            --slave /usr/bin/gcc-ar gcc-ar /usr/bin/gcc-ar-10 \
+            --slave /usr/bin/gcc-nm gcc-nm /usr/bin/gcc-nm-10 \
+            --slave /usr/bin/gcc-ranlib gcc-ranlib /usr/bin/gcc-ranlib-10 \
+            --slave /usr/bin/gcov gcov /usr/bin/gcov-10 \
+            --slave /usr/bin/gcov-dump gcov-dump /usr/bin/gcov-dump-10 \
+            --slave /usr/bin/gcov-tool gcov-tool /usr/bin/gcov-tool-10
     - uses: actions/checkout@v3
     - name: Install prerequisite
       run: sudo apt-get install ninja-build