diff --git a/.gitignore b/.gitignore
index 36cedf4..f600f1c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,3 +32,4 @@
 /libxc-5.1.6.tar.gz
 /libxc-5.1.7.tar.gz
 /libxc-5.2.0.tar.gz
+/libxc-5.2.1.tar.gz
diff --git a/libxc.spec b/libxc.spec
index 404db60..f3c62ae 100644
--- a/libxc.spec
+++ b/libxc.spec
@@ -30,7 +30,7 @@
 
 Name:           libxc
 Summary:        Library of exchange and correlation functionals for density-functional theory
-Version:        5.2.0
+Version:        5.2.1
 Release:        1%{?dist}
 License:        MPLv2.0
 Source0:        http://www.tddft.org/programs/libxc/down.php?file=%{version}/libxc-%{version}.tar.gz
@@ -216,6 +216,9 @@ make check
 %endif
 
 %changelog
+* Mon Jan 31 2022 Susi Lehtola <jussilehtola@fedoraproject.org> - 5.2.1-1
+- Update to 5.2.1.
+
 * Fri Jan 21 2022 Susi Lehtola <jussilehtola@fedoraproject.org> - 5.2.0-1
 - Update to 5.2.0.
 
diff --git a/sources b/sources
index 8411c35..356afd3 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (libxc-5.2.0.tar.gz) = 04fcf15a97f67f8b25c030c848b36d2bf29e7280c2dcad7eead261bcb2979519b9265dfac74fd3d6ae3fca3f02e842d60aa3f63d01d6c5b6e9b73c78af9af75c
+SHA512 (libxc-5.2.1.tar.gz) = a376e98e6b3ce7d9ab0b4def236775f77223aaea6d11171f15c6e21be1f388c5604dd6c05813577b242323e0d973ffc51574a4edc67e7a839c23678dd7deb01b