diff --git a/llvm.changes b/llvm.changes
index dd5627f..d744b79 100644
--- a/llvm.changes
+++ b/llvm.changes
@@ -1,3 +1,14 @@
+-------------------------------------------------------------------
+Wed Apr 14 23:57:28 UTC 2021 - Aaron Puchert <aaronpuchert@alice-dsl.net>
+
+- Update to version 12.0.0.
+  * For details, see the release notes:
+    - https://releases.llvm.org/12.0.0/docs/ReleaseNotes.html
+    - https://releases.llvm.org/12.0.0/tools/clang/docs/ReleaseNotes.html
+    - https://releases.llvm.org/12.0.0/tools/clang/tools/extra/docs/ReleaseNotes.html
+    - https://releases.llvm.org/12.0.0/projects/libcxx/docs/ReleaseNotes.html
+    - https://releases.llvm.org/12.0.0/tools/lld/docs/ReleaseNotes.html
+
 -------------------------------------------------------------------
 Sat Jan  9 16:26:37 UTC 2021 - Aaron Puchert <aaronpuchert@alice-dsl.net>
 
diff --git a/llvm.spec b/llvm.spec
index 483c8c7..b62db61 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -16,7 +16,7 @@
 #
 
 
-%define _sonum 11
+%define _sonum 12
 %ifarch x86_64
 %define has_lldb 1
 # python3-lldb%{_sonum} is only built with these distributions (see llvm%{_sonum} package)
@@ -29,12 +29,13 @@
 # Obsolete packages <prefix>X or <prefix>X-<postfix> with X being a set of older versions.
 %define obsolete_llvm_versioned() \
 Obsoletes:      %{1}10%{?2:-%{2}} \
+Obsoletes:      %{1}11%{?2:-%{2}} \
 Obsoletes:      %{1}7%{?2:-%{2}} \
 Obsoletes:      %{1}8%{?2:-%{2}} \
 Obsoletes:      %{1}9%{?2:-%{2}}
 
 Name:           llvm
-Version:        11.0.1
+Version:        12.0.0
 Release:        0
 Summary:        Low Level Virtual Machine
 License:        Apache-2.0 WITH LLVM-exception OR NCSA