diff --git a/.gitignore b/.gitignore
index e22b6ef..a892feb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -138,3 +138,7 @@
 /llvm-15.0.4.src.tar.xz.sig
 /cmake-15.0.4.src.tar.xz
 /cmake-15.0.4.src.tar.xz.sig
+/llvm-15.0.6.src.tar.xz
+/llvm-15.0.6.src.tar.xz.sig
+/cmake-15.0.6.src.tar.xz
+/cmake-15.0.6.src.tar.xz.sig
diff --git a/llvm.spec b/llvm.spec
index ba59de6..55b1769 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -20,7 +20,7 @@
 #global rc_ver 3
 %global maj_ver 15
 %global min_ver 0
-%global patch_ver 4
+%global patch_ver 6
 %if !%{maj_ver} && 0%{?rc_ver}
 %global abi_revision 2
 %endif
@@ -569,18 +569,14 @@ fi
 %endif
 
 %changelog
-* Sat Nov 26 2022 David Abdurachmanov <davidlt@rivosinc.com> - 15.0.4-1.2.riscv64
-- Final rebuidl with Clang (recompiled with Clang compiled LLVM)
-
-* Thu Nov 25 2022 David Abdurachmanov <davidlt@rivosinc.com> - 15.0.4-1.1.riscv64
-- Enable Clang toolchain
-
-* Tue Oct 04 2022 David Abdurachmanov <davidlt@rivosinc.com> - 15.0.4-1.0.riscv64
+* Wed Jan 11 2022 David Abdurachmanov <davidlt@rivosinc.com> - 15.0.6-1.2.riscv64
 - Disable tests on riscv64 for now
 - Disable LTO on riscv64 (there is no thin LTO in GCC)
-- Build with GCC (bootstrapping)
 - Lower memory consumption on riscv64
 
+* Mon Dec 05 2022 Nikita Popov <npopov@redhat.com> - 15.0.6-1
+- Update to LLVM 15.0.6
+
 * Mon Nov 07 2022 Nikita Popov <npopov@redhat.com> - 15.0.4-1
 - Update to LLVM 15.0.4
 
diff --git a/sources b/sources
index a8283d4..f531fc7 100644
--- a/sources
+++ b/sources
@@ -1,4 +1,4 @@
-SHA512 (llvm-15.0.4.src.tar.xz) = ab543afdf3664f88f9174a673a089bfa3477e20f88f49ed07fab3322767741a2efebc4a15e8fa2b4aa494ef7ed0d9e3acfb2c1bf7044b75bfd00eb94dbd49db6
-SHA512 (llvm-15.0.4.src.tar.xz.sig) = 215dbf0dbea69d73d74b7eac279af077c23eaf6d80f70d4795f10680000a243ecfb60b37ce1258868ee85aecda0bb70a889f609a6318c10540b338cfe111797a
-SHA512 (cmake-15.0.4.src.tar.xz) = c983deefbdf128bf47d009a4eed0628f69462146c33e7e670bc43f80aea3dacf9c1367d81afea9512126d15543156b11c7d9eca7944f4b8e4c5c31479c549734
-SHA512 (cmake-15.0.4.src.tar.xz.sig) = 808203cbf9e71dcd01abf57ac2f41be76010fd0535b63cc55593a28f5ca6817ff6b1d62fe38ca723aacd05b17f1175bf386b2107a5295c5baa5218be945c0b3b
+SHA512 (llvm-15.0.6.src.tar.xz) = 91b53674c140f8eda6e8373a9e3ea013807236e98702b6666f3b4144d95d97dcfa0a59591ab74aa7a320c32f88d579a585dc5a6db6666f1754f68493f95cff1e
+SHA512 (llvm-15.0.6.src.tar.xz.sig) = c3bd2340cf907f3e323d084ec7ccb7b41f653578704c192b795ac45aece1d0747f81e7eebb3f6e83f1c979934a4df02e3571a590ab0ddf3ae36b6884c77cb854
+SHA512 (cmake-15.0.6.src.tar.xz) = a078b9b426515414dae41c8732d7cd955e8ddc9638b4ba9c7dd0925db68e5ea760096f08fd7e1cb9d55b6d73da75f9b4318a2fac36d7aa64f47536ac383b3edc
+SHA512 (cmake-15.0.6.src.tar.xz.sig) = 8041cc0233ae30e4ae9ad4daeac1b4a127fccd45ee94f7f489e3d56c8d2d0f6986908c93655d63026514643ef407c88c47e3a353f719f820ec25c7a052cd9883