diff --git a/.gitignore b/.gitignore
index 192ae7f..07e8bca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -125,3 +125,5 @@
 /mkvtoolnix-64.0.0.tar.xz.sig
 /mkvtoolnix-65.0.0.tar.xz
 /mkvtoolnix-65.0.0.tar.xz.sig
+/mkvtoolnix-66.0.0.tar.xz
+/mkvtoolnix-66.0.0.tar.xz.sig
diff --git a/mkvtoolnix.spec b/mkvtoolnix.spec
index c21219b..33c18dd 100644
--- a/mkvtoolnix.spec
+++ b/mkvtoolnix.spec
@@ -1,7 +1,7 @@
 Summary: Matroska container manipulation utilities
 Name: mkvtoolnix
-Version: 65.0.0
-Release: 2%{?dist}
+Version: 66.0.0
+Release: 1%{?dist}
 License: GPLv2+
 Source0: https://mkvtoolnix.download/sources/mkvtoolnix-%{version}.tar.xz
 Source1: https://mkvtoolnix.download/sources/mkvtoolnix-%{version}.tar.xz.sig
@@ -129,6 +129,9 @@ drake tests:run_unit
 %{_datadir}/mkvtoolnix
 
 %changelog
+* Tue Mar 15 2022 Dominik Mierzejewski <dominik@greysector.net> - 66.0.0-1
+- update to 66.0.0 (#2063542)
+
 * Sun Mar 06 2022 Dominik Mierzejewski <rpm@greysector.net> - 65.0.0-2
 - enable s390x builds (#2012824)
 
diff --git a/sources b/sources
index 8d4e80f..09bbf9f 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-SHA512 (mkvtoolnix-65.0.0.tar.xz) = 874684032fca5d84ce99e2843d47980d05353856d8d1da811d58b892065fe2a527d578908f78b7d59060af532af1ffcbf39dd9ce1e515d0c99a741843deb32a4
-SHA512 (mkvtoolnix-65.0.0.tar.xz.sig) = 1578df83f04ee69db697e68659b913eb2fc60593309bd5fa0fc08a485d1647670f23f883e516a723f427a2dd79825e50e2718a39c84439f90606de291f147cdf
+SHA512 (mkvtoolnix-66.0.0.tar.xz) = d519e107b16a9bfa73309aef1df613c7a594b534199c53a220383d1c514cf81c3df294db8eeccce7ea0f77695ce49ebd81609b05f2fc30d1ab6287baccd21bbb
+SHA512 (mkvtoolnix-66.0.0.tar.xz.sig) = 5a79b5c466f2d43b85910fa0292e212688f6ddbb6fae833d18300e6bd9b8e81890490dd892f66350391481ca26948bea10425f266a6379c2ae81269af0e78c37