diff --git a/pyproject.toml b/pyproject.toml
index c537cf5..2bfc3b1 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -87,4 +87,4 @@ exclude = [
 
 [tool.setuptools_scm]
 # This tells it to expect tags like "v2.0.5" instead of just "2.0.5"
-tag_regex = "^v?(?P<version>[vV]?\d+(?:\.\d+){0,2}[^\+]*)(?:\+.*)?$"
+tag_regex = '^v?(?P<version>[vV]?\d+(?:\.\d+){0,2}[^\+]*)(?:\+.*)?$'