diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 7c106381a..2eccb3089 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
       - name: Dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install build-essential
+          sudo apt-get install build-essential cmake
 
       - name: Build
         run: |
diff --git a/build.sh b/build.sh
index 0e61ba28d..500366d7a 100755
--- a/build.sh
+++ b/build.sh
@@ -13,7 +13,8 @@ if [ ! -f libsentencepiece.a ]
 then
     tar xzvf v0.1.97.tar.gz
     cd sentencepiece-0.1.97/ && rm -rf build && mkdir build && cd build
-    cmake -E env CXXFLAGS="-std=c++17" cmake ..
+    cmake --version
+    cmake ..
     make sentencepiece-static -j $(nproc)
     cd ../..
     cp sentencepiece-0.1.97/build/src/libsentencepiece.a ./