diff --git a/.gitignore b/.gitignore
index c773bf7..9ad07af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /vergen-3.0.4.crate
 /vergen-3.1.0.crate
 /vergen-5.1.14.crate
+/vergen-5.1.15.crate
diff --git a/rust-vergen.spec b/rust-vergen.spec
index 42fb4b8..0b8235e 100644
--- a/rust-vergen.spec
+++ b/rust-vergen.spec
@@ -6,7 +6,7 @@
 %global crate vergen
 
 Name:           rust-%{crate}
-Version:        5.1.14
+Version:        5.1.15
 Release:        %autorelease
 Summary:        Generate cargo:rustc-env instructions for use with env!
 
@@ -14,6 +14,9 @@ Summary:        Generate cargo:rustc-env instructions for use with env!
 License:        MIT or ASL 2.0
 URL:            https://crates.io/crates/vergen
 Source:         %{crates_source}
+# Initial patched metadata
+# * relax sysinfo dependency
+Patch0:         vergen-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
 %if %{__cargo_skip_build}
diff --git a/sources b/sources
index 390eb67..f33bb62 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (vergen-5.1.14.crate) = 81e2bb6c64cc7d5e7c1fd76c6c758601cf38a590ef8a66bb27d3b7c6bd0a06e9497bd1d361ae578ce67859b90890a3a61889c96b9ef00bd88a68fc0167c5fbcf
+SHA512 (vergen-5.1.15.crate) = cedf74c73679d855e28866eb453be44ce30b1697bc946d925157cd155a6b2fe8c6cfca9d9509eb74aec1d5674bfe1b895bd236d0390df7b5a1ce5dcfd69059e5
diff --git a/vergen-fix-metadata.diff b/vergen-fix-metadata.diff
new file mode 100644
index 0000000..2d393af
--- /dev/null
+++ b/vergen-fix-metadata.diff
@@ -0,0 +1,11 @@
+--- vergen-5.1.15/Cargo.toml	1970-01-01T00:00:01+00:00
++++ vergen-5.1.15/Cargo.toml	2021-09-04T21:34:52.953259+00:00
+@@ -50,7 +50,7 @@
+ optional = true
+ 
+ [dependencies.sysinfo]
+-version = "=0.19"
++version = "0.19"
+ optional = true
+ default-features = false
+