diff --git a/tasks.py b/tasks.py
index 25a54c7..75fda68 100755
--- a/tasks.py
+++ b/tasks.py
@@ -33,9 +33,7 @@ def write_docs_src(tag):
     (verdir / "swydd.py").write_text(src_text)
 
 
-@s.task
-def docs():
-    """build docs"""
+def copy_source():
     p = s.Exec("git tag --list", output=True).get()
     versions = [line for line in p.stdout.splitlines() if line.startswith("v")]
     for ver in versions:
@@ -46,4 +44,10 @@ def docs():
     )
 
 
+@s.task
+def docs():
+    """build docs"""
+    copy_source()
+
+
 s.cli()