diff --git a/examples/bad.cpm b/examples/bad.crspy
similarity index 100%
rename from examples/bad.cpm
rename to examples/bad.crspy
diff --git a/examples/good.cpm b/examples/good.crspy
similarity index 100%
rename from examples/good.cpm
rename to examples/good.crspy
diff --git a/tests/functions.cpy b/tests/functions.crspy
similarity index 100%
rename from tests/functions.cpy
rename to tests/functions.crspy
diff --git a/tests/primitive.cpy b/tests/primitive.crspy
similarity index 100%
rename from tests/primitive.cpy
rename to tests/primitive.crspy