diff --git a/.gitignore b/.gitignore
index 513b101..6937a9e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /proptest-derive-0.1.2.crate
 /proptest-derive-0.2.0.crate
 /proptest-derive-0.3.0.crate
+/proptest-derive-0.4.0.crate
diff --git a/README.md b/README.md
deleted file mode 100644
index 693dce0..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# rust-proptest-derive
-
-The rust-proptest-derive package
\ No newline at end of file
diff --git a/proptest-derive-fix-metadata.diff b/proptest-derive-fix-metadata.diff
new file mode 100644
index 0000000..1db5551
--- /dev/null
+++ b/proptest-derive-fix-metadata.diff
@@ -0,0 +1,29 @@
+--- proptest-derive-0.4.0/Cargo.toml	1970-01-01T00:00:01+00:00
++++ proptest-derive-0.4.0/Cargo.toml	2023-12-12T23:36:53.698228+00:00
+@@ -34,10 +34,6 @@
+ [lib]
+ proc-macro = true
+ 
+-[[bench]]
+-name = "large_enum"
+-harness = false
+-
+ [dependencies.proc-macro2]
+ version = "1.0"
+ 
+@@ -52,15 +48,5 @@
+     "full",
+ ]
+ 
+-[dev-dependencies.compiletest_rs]
+-version = "0.9"
+-features = [
+-    "tmp",
+-    "stable",
+-]
+-
+-[dev-dependencies.criterion]
+-version = "0.5"
+-
+ [dev-dependencies.proptest]
+ version = "1.0.0"
diff --git a/rust-proptest-derive.spec b/rust-proptest-derive.spec
index 87cfe6c..a0c3591 100644
--- a/rust-proptest-derive.spec
+++ b/rust-proptest-derive.spec
@@ -1,21 +1,23 @@
-# Generated by rust2rpm 23
-# * Depends on old compiletest_rs and criterion
-%bcond_with check
+# Generated by rust2rpm 25
+%bcond_without check
 %global debug_package %{nil}
 
 %global crate proptest-derive
 
 Name:           rust-proptest-derive
-Version:        0.3.0
+Version:        0.4.0
 Release:        %autorelease
 Summary:        Custom-derive for the Arbitrary trait of proptest
 
-# Upstream license specification: MIT/Apache-2.0
 License:        MIT OR Apache-2.0
 URL:            https://crates.io/crates/proptest-derive
 Source:         %{crates_source}
+# Manually created patch for downstream crate metadata changes
+# * drop unused, benchmark-only criterion dev-dependency
+# * drop obsolete compiletest_rs dev-dependency
+Patch:          proptest-derive-fix-metadata.diff
 
-BuildRequires:  rust-packaging >= 21
+BuildRequires:  cargo-rpm-macros >= 24
 
 %global _description %{expand:
 Custom-derive for the Arbitrary trait of proptest.}
@@ -51,8 +53,11 @@ use the "default" feature of the "%{crate}" crate.
 %ghost %{crate_instdir}/Cargo.toml
 
 %prep
-%autosetup -n %{crate}-%{version_no_tilde} -p1
+%autosetup -n %{crate}-%{version} -p1
 %cargo_prep
+# drop tests that depend on compiletest_rs
+rm -v tests/compiletest.rs
+rm -vr tests/compile-fail/
 
 %generate_buildrequires
 %cargo_generate_buildrequires
diff --git a/sources b/sources
index 97f2c62..7aba0f0 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (proptest-derive-0.3.0.crate) = 9d7a6fe68e5e35e560a73127aacd034951c378271608dc57325ce7166f3880c1e700c7c37130002cc50acc1169c746455aebf6b53bcc8ba4cedcb51d6c1af264
+SHA512 (proptest-derive-0.4.0.crate) = 6fc09a778c8e71c713d2f2ed5c647db0b5b3d50ad20820d25a5b938eed36b2ade6c2cf91a986316151384ce346d9110da0251946722650afb15a441e5a26f187