diff --git a/.abf.yml b/.abf.yml
index 391cfff..a008896 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,3 +1,2 @@
 sources:
-  meson-0.50.1.tar.gz: 0af4c31a23479ccae1619552752662e1591a9235
-  meson-0.50.1.tar.gz.asc: 014a705d7f0f61e56d99c09ff130c2401bdcce5e
+  meson-0.51.1.tar.gz: 69a5c05e6143c3c841334fe50cf6c79d27b777a5
diff --git a/meson.spec b/meson.spec
index 8dfa62d..4f06671 100644
--- a/meson.spec
+++ b/meson.spec
@@ -3,13 +3,12 @@
 
 Summary:	High productivity build system
 Name:		meson
-Version:	0.50.1
+Version:	0.51.1
 Release:	1
 License:	ASL 2.0
 Group:		Development/Tools
 Url:		http://mesonbuild.com/
 Source0:	https://github.com/mesonbuild/meson/releases/download/%{version}/%{name}-%{version}.tar.gz
-Source1:	https://github.com/mesonbuild/meson/releases/download/%{version}/%{name}-%{version}.tar.gz.asc
 Source2:	%{name}.macros
 
 BuildRequires:	python3-setuptools