diff --git a/pysysc/gitpod_install.sh b/pysysc/gitpod_install.sh
index c570667..32f5b78 100755
--- a/pysysc/gitpod_install.sh
+++ b/pysysc/gitpod_install.sh
@@ -5,7 +5,7 @@
 pip install wheel
 # clone and install PySysC
 git clone https://github.com/Minres/PySysC.git /workspace/PySysC
-STDCXX=11 SYSTEMC_HOME=`ls -d $CONAN_USER_HOME/.conan/data/systemc/2.3.3/_/_/package/* | head -1` \
+STDCXX=14 SYSTEMC_HOME=`ls -d $CONAN_USER_HOME/.conan/data/systemc/2.3.3/_/_/package/* | head -1` \
   pip install /workspace/PySysC/
 # install SCC integration
 pip install scc/contrib/pysysc