diff --git a/doc/changes.rst b/doc/changes.rst
index c5d996c8..4470beda 100644
--- a/doc/changes.rst
+++ b/doc/changes.rst
@@ -2,10 +2,12 @@
 desisim change log
 ==================
 
-0.37.1 (unreleased)
+0.37.1 (2023-01-13) 
 -------------------
 
-* No changes yet.
+* Added sort to io.find_basis_template()
+
+.. _`#576`: https://github.com/desihub/desisim/pull/576
 
 0.37.0 (2023-01-12)
 -------------------
diff --git a/py/desisim/io.py b/py/desisim/io.py
index afb31c5b..0069dc25 100644
--- a/py/desisim/io.py
+++ b/py/desisim/io.py
@@ -881,6 +881,7 @@ def find_basis_template(objtype, indir=None):
 
     objfile_wild = os.path.join(indir, objtype.lower()+'_templates_*.fits')
     objfiles = glob(objfile_wild)
+    objfiles.sort(key=os.path.getmtime)
     if len(objfiles) > 0:
         return objfiles[-1]
     else: