diff --git a/examples/lattice/hexagonal/build-xml.py b/examples/lattice/hexagonal/build_xml.py similarity index 100% rename from examples/lattice/hexagonal/build-xml.py rename to examples/lattice/hexagonal/build_xml.py diff --git a/examples/lattice/nested/build-xml.py b/examples/lattice/nested/build_xml.py similarity index 100% rename from examples/lattice/nested/build-xml.py rename to examples/lattice/nested/build_xml.py diff --git a/examples/lattice/simple/build-xml.py b/examples/lattice/simple/build_xml.py similarity index 100% rename from examples/lattice/simple/build-xml.py rename to examples/lattice/simple/build_xml.py diff --git a/examples/pincell/build-xml.py b/examples/pincell/build_xml.py similarity index 100% rename from examples/pincell/build-xml.py rename to examples/pincell/build_xml.py diff --git a/examples/pincell_multigroup/build-xml.py b/examples/pincell_multigroup/build_xml.py similarity index 100% rename from examples/pincell_multigroup/build-xml.py rename to examples/pincell_multigroup/build_xml.py