diff --git a/pyproject.toml b/pyproject.toml
index 8e7e3c9..4227605 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -97,7 +97,7 @@ requires = ["setuptools >= 61.0"]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools.package-data]
-depiction_targeted_preproc = ["**/*.smk", "**/Snakefile", "**/.yml", "**/.yaml"]
+depiction_targeted_preproc = ["**/*.smk", "**/Snakefile", "**/*.yml", "**/*.yaml"]
 
 [tool.black]
 line-length = 120