diff --git a/configure_python.sh b/configure_python.sh
index 4356bef4008e836acaee8d9ca66a366350e7a66a..bc38e9eef17722eec5ea71fd86838ccd7ced2404 100644
--- a/configure_python.sh
+++ b/configure_python.sh
@@ -3,8 +3,8 @@
 set -e
 
 cp host_info.py TurTLE/
-sed "s/@TURTLE_VERSION_LONG@/3.14/" setup.py.in > setup.py
-sed "s/@TURTLE_VERSION_LONG@/3.14/" TurTLE/__init__.py.in > TurTLE/__init__.py.tmp
+sed "s/@TURTLE_VERSION_LONG@/3.15/" setup.py.in > setup.py
+sed "s/@TURTLE_VERSION_LONG@/3.15/" TurTLE/__init__.py.in > TurTLE/__init__.py.tmp
 sed "s/@CMAKE_INSTALL_DIR@/UNAVAILABLE_FOR_PURE_PYTHON_INSTALLS/" TurTLE/__init__.py.tmp > TurTLE/__init__.py
 rm TurTLE/__init__.py.tmp