diff --git a/.gitignore b/.gitignore
index 92d5db1..529539f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,3 +20,4 @@
 /kpmcore-4.2.0.tar.xz
 /kpmcore-20.11.80.tar.xz
 /kpmcore-20.11.90.tar.xz
+/kpmcore-20.12.0.tar.xz
diff --git a/kpmcore.spec b/kpmcore.spec
index 23a56ba..11f956c 100644
--- a/kpmcore.spec
+++ b/kpmcore.spec
@@ -1,9 +1,9 @@
 %undefine __cmake_in_source_build
 
-%global unstable 1
+%global unstable 0
 
 Name:           kpmcore
-Version:        20.11.90
+Version:        20.12.0
 Release:        1%{?dist}
 Summary:        Library for managing partitions by KDE programs
 License:        GPLv3+
@@ -87,6 +87,9 @@ developing applications that use %{name}
 
 
 %changelog
+* Sun Dec 13 2020 Mattia Verga <mattia.verga@protonmail.com> - 20.12.0-1
+- Release stable version 20.12.0
+
 * Sun Dec 06 2020 Mattia Verga <mattia.verga@protonmail.com> - 20.11.90-1
 - Update to unstable release 20.11.90
 
diff --git a/sources b/sources
index 7f26814..dd5bbcb 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (kpmcore-20.11.90.tar.xz) = 943f3c52e97ea7712b214d22f6f9d8bcd60c99585d5e3db852ff87699648e3d8769492bd69eac5c5460175d1292680974da21c6a41b8920329b8c3ae045d2c6a
+SHA512 (kpmcore-20.12.0.tar.xz) = 1096389d8da99107e9f7237e6591ca75ec7d468a4729ce24f7417c7549531754bbfb70b0650d73bb2e26ad00b0f8beb3bc28e1068a352ec7c1794f5afecd61d6