diff --git a/.gitignore b/.gitignore
index e2837f9..63583cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@
 /bumpalo-3.13.0.crate
 /bumpalo-3.14.0.crate
 /bumpalo-3.15.0.crate
+/bumpalo-3.15.4.crate
diff --git a/bumpalo-fix-metadata.diff b/bumpalo-fix-metadata.diff
index e88fa3a..65ca832 100644
--- a/bumpalo-fix-metadata.diff
+++ b/bumpalo-fix-metadata.diff
@@ -1,5 +1,5 @@
---- bumpalo-3.15.0/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ bumpalo-3.15.0/Cargo.toml	2024-02-18T15:34:00.504441+00:00
+--- bumpalo-3.15.4/Cargo.toml	1970-01-01T00:00:01+00:00
++++ bumpalo-3.15.4/Cargo.toml	2024-03-08T09:20:35.722924+00:00
 @@ -40,24 +40,10 @@
  path = "src/lib.rs"
  bench = false
diff --git a/rust-bumpalo.spec b/rust-bumpalo.spec
index ff71433..cee9104 100644
--- a/rust-bumpalo.spec
+++ b/rust-bumpalo.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 25
+# Generated by rust2rpm 26
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate bumpalo
 
 Name:           rust-bumpalo
-Version:        3.15.0
+Version:        3.15.4
 Release:        %autorelease
 Summary:        Fast bump allocation arena for Rust
 
@@ -14,7 +14,7 @@ URL:            https://crates.io/crates/bumpalo
 Source:         %{crates_source}
 # Manually created patch for downstream crate metadata changes
 # * drop tests and benchmarks that are not included in published crates
-# * drop unused, benchmark-only criterion dev-dependency to speed up builds
+# * drop unused, benchmark-only criterion dev-dependency
 Patch:          bumpalo-fix-metadata.diff
 
 BuildRequires:  cargo-rpm-macros >= 24
diff --git a/sources b/sources
index 97e91d0..e0f46ce 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (bumpalo-3.15.0.crate) = 18fa4284e955805618308898d633489401051d2f8f2113d3735137741d8bd0711306163f93abd77c80a1ddbc0f3458204afcc98cbf478121fe52730599e41e97
+SHA512 (bumpalo-3.15.4.crate) = 59ca9f8e6b74bdd95b9b4ad1bff3bf4be46dacedeb1eea6196a65dfb0ca7b60e86ab6c25d0f91dae3caecd17ab73c48f953be0bc24bdc0ceaaf4c1726b9ffdc8