diff --git a/.gitignore b/.gitignore
index 20296e0..c2518fd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 /chrono-tz-0.5.2.crate
 /chrono-tz-0.5.3.crate
 /chrono-tz-0.8.3.crate
+/chrono-tz-0.8.4.crate
diff --git a/rust-chrono-tz.spec b/rust-chrono-tz.spec
index 37e3386..b755158 100644
--- a/rust-chrono-tz.spec
+++ b/rust-chrono-tz.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 24
+# Generated by rust2rpm 25
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate chrono-tz
 
 Name:           rust-chrono-tz
-Version:        0.8.3
+Version:        0.8.4
 Release:        %autorelease
 Summary:        TimeZone implementations for chrono from the IANA database
 
@@ -15,7 +15,7 @@ License:        (MIT OR Apache-2.0) AND LicenseRef-Fedora-Public-Domain
 URL:            https://crates.io/crates/chrono-tz
 Source:         %{crates_source}
 
-BuildRequires:  rust-packaging >= 21
+BuildRequires:  cargo-rpm-macros >= 24
 
 %global _description %{expand:
 TimeZone implementations for chrono from the IANA database.}
@@ -110,20 +110,8 @@ use the "std" feature of the "%{crate}" crate.
 %files       -n %{name}+std-devel
 %ghost %{crate_instdir}/Cargo.toml
 
-%package     -n %{name}+uncased-devel
-Summary:        %{summary}
-BuildArch:      noarch
-
-%description -n %{name}+uncased-devel %{_description}
-
-This package contains library source intended for building other packages which
-use the "uncased" feature of the "%{crate}" crate.
-
-%files       -n %{name}+uncased-devel
-%ghost %{crate_instdir}/Cargo.toml
-
 %prep
-%autosetup -n %{crate}-%{version_no_tilde} -p1
+%autosetup -n %{crate}-%{version} -p1
 %cargo_prep
 
 %generate_buildrequires
diff --git a/sources b/sources
index 4704c40..a59d9f8 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (chrono-tz-0.8.3.crate) = 85f1093edebe08515d0b8f11a9a5ab8b9fac57527cc404f5914dd5d1796e0007ca596d7057d158e915b85619bb80939c097ee4beaf6a76b9794cea1459f8d86e
+SHA512 (chrono-tz-0.8.4.crate) = e1b26852adeb1e26b38bd672faac7bd2e0059585fac4925044ea8441f7b31b45a9c9f98e9dc936c8ffb2c482784ad82c3fda73a99f1800cf3a6477d8d6f46599