diff --git a/rust-sized-chunks.spec b/rust-sized-chunks.spec
index a310a84..6bc5505 100644
--- a/rust-sized-chunks.spec
+++ b/rust-sized-chunks.spec
@@ -9,9 +9,13 @@ Version:        0.6.5
 Release:        %autorelease
 Summary:        Efficient sized chunk datatypes
 
-License:        MPL-2.0+
+License:        MPL-2.0
 URL:            https://crates.io/crates/sized-chunks
 Source:         %{crates_source}
+# Manually created patch for downstream crate metadata changes
+# * fix invalid SPDX identifier in crate license:
+#   https://github.com/bodil/sized-chunks/issues/32
+Patch:          sized-chunks-fix-metadata.diff
 
 BuildRequires:  rust-packaging >= 21
 
diff --git a/sized-chunks-fix-metadata.diff b/sized-chunks-fix-metadata.diff
new file mode 100644
index 0000000..cbd6cd0
--- /dev/null
+++ b/sized-chunks-fix-metadata.diff
@@ -0,0 +1,11 @@
+--- sized-chunks-0.6.5/Cargo.toml	1970-01-01T00:00:00+00:00
++++ sized-chunks-0.6.5/Cargo.toml	2023-08-22T20:15:40.898467+00:00
+@@ -21,7 +21,7 @@
+ readme = "./README.md"
+ keywords = ["sparse-array"]
+ categories = ["data-structures"]
+-license = "MPL-2.0+"
++license = "MPL-2.0"
+ repository = "https://github.com/bodil/sized-chunks"
+ [package.metadata.docs.rs]
+ all-features = true