diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3fe18466..0b9b40e6 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,9 +14,9 @@ jobs:
     - name: Compiling
       shell: bash
       run: |
-        clang-cl.exe -std:c++17 -GR- -EHsc -O2 -Wno-deprecated-declarations -Fe:pocketpy src/main.cpp
+        clang-cl.exe -std:c++17 -GR- -EHsc -O2 -Wno-deprecated-declarations -stdlib=libc++ -Fe:pocketpy src/main.cpp
         echo '#include "pocketpy.h"' > src/tmp.cpp
-        clang-cl.exe -std:c++17 -GR- -EHsc -O2 -Wno-deprecated-declarations -LD -Fe:pocketpy src/tmp.cpp
+        clang-cl.exe -std:c++17 -GR- -EHsc -O2 -Wno-deprecated-declarations -stdlib=libc++ -LD -Fe:pocketpy src/tmp.cpp
         python3 scripts/run_tests.py
         python3 scripts/run_tests.py benchmark
         mkdir -p output/windows/x86_64
diff --git a/build_cpp.sh b/build_cpp.sh
index 920b10a9..571cb192 100644
--- a/build_cpp.sh
+++ b/build_cpp.sh
@@ -1 +1 @@
-clang++ -o pocketpy src/main.cpp -Wfatal-errors --std=c++17 -O2 -Wall -Wno-sign-compare -Wno-unused-variable -fno-rtti
\ No newline at end of file
+clang++ -o pocketpy src/main.cpp -Wfatal-errors --std=c++17 -O2 -Wall -Wno-sign-compare -Wno-unused-variable -fno-rtti -stdlib=libc++ -v
\ No newline at end of file
diff --git a/build_linux.sh b/build_linux.sh
index 6b7e2560..7f06d5de 100644
--- a/build_linux.sh
+++ b/build_linux.sh
@@ -1,3 +1,3 @@
 echo '#include "pocketpy.h"' > src/tmp.cpp
-clang++ -fPIC -shared -o pocketpy.so src/tmp.cpp --std=c++17 -O2 -Wall -Wno-sign-compare -Wno-unused-variable -fno-rtti
+clang++ -fPIC -shared -o pocketpy.so src/tmp.cpp --std=c++17 -O2 -Wall -Wno-sign-compare -Wno-unused-variable -fno-rtti -stdlib=libc++
 rm src/tmp.cpp
\ No newline at end of file