diff --git a/.gitignore b/.gitignore
index c0264b8..b31aa07 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,3 +43,4 @@
 /kalzium-21.04.3.tar.xz
 /kalzium-21.08.2.tar.xz
 /kalzium-21.08.3.tar.xz
+/kalzium-21.12.0.tar.xz
diff --git a/kalzium.spec b/kalzium.spec
index 03e7d9b..c1341e4 100644
--- a/kalzium.spec
+++ b/kalzium.spec
@@ -16,8 +16,8 @@
 
 Name:    kalzium
 Summary: Periodic Table of Elements
-Version: 21.08.3
-Release: 2%{?dist}
+Version: 21.12.0
+Release: 1%{?dist}
 
 License: GPLv2+
 URL:     https://edu.kde.org/kalzium/
@@ -155,6 +155,9 @@ desktop-file-validate %{buildroot}%{_kf5_datadir}/applications/org.kde.kalzium_c
 
 
 %changelog
+* Mon Dec 27 2021 Rex Dieter <rdieter@fedoraproject.org> - 21.12.0-1
+- 21.12.0
+
 * Sun Nov 07 2021 Antonio Trande <sagitter@fedoraproject.org> - 21.08.3-2
 - Rebuild against openbabel3
 
diff --git a/sources b/sources
index 811a74f..eb02036 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (kalzium-21.08.3.tar.xz) = 52d43df0d05c78172dfb8f3082ad1b235d488151813e02dedd2be1e81ee24a30bfb78c827d00c59a42bc3be49ef45c6ca338706ec2c3e1d0d4a5bcecd35a2bde
+SHA512 (kalzium-21.12.0.tar.xz) = 6097ea1fff6b96f7bfad6db8c741a468c79d6897042bfeadf46ef43e621c1731056015576198a7aeded19ea90c7025ee6b5dd0f1b68a85fd08dc28bc8b7934c3