diff --git a/.gitignore b/.gitignore
index d720c00..0e6c176 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,3 +17,4 @@
 /cxx-1.0.78.crate
 /cxx-1.0.83.crate
 /cxx-1.0.85.crate
+/cxx-1.0.88.crate
diff --git a/cxx-fix-metadata.diff b/cxx-fix-metadata.diff
new file mode 100644
index 0000000..851165b
--- /dev/null
+++ b/cxx-fix-metadata.diff
@@ -0,0 +1,19 @@
+--- cxx-1.0.88/Cargo.toml	1970-01-01T00:00:01+00:00
++++ cxx-1.0.88/Cargo.toml	2023-01-27T15:16:23.341203+00:00
+@@ -17,10 +17,16 @@
+ authors = ["David Tolnay <dtolnay@gmail.com>"]
+ links = "cxxbridge1"
+ exclude = [
++    "/book",
+     "/demo",
+     "/gen",
+     "/syntax",
+     "/third-party",
++    "/tools/bazel",
++    "/tools/buck",
++    "/BUCK",
++    "/BUILD",
++    "/WORKSPACE",
+ ]
+ description = "Safe interop between Rust and C++"
+ homepage = "https://cxx.rs"
diff --git a/rust-cxx.spec b/rust-cxx.spec
index 0d2ac37..aa9f564 100644
--- a/rust-cxx.spec
+++ b/rust-cxx.spec
@@ -6,13 +6,17 @@
 %global crate cxx
 
 Name:           rust-cxx
-Version:        1.0.85
+Version:        1.0.88
 Release:        %autorelease
 Summary:        Safe interop between Rust and C++
 
 License:        MIT OR Apache-2.0
 URL:            https://crates.io/crates/cxx
 Source:         %{crates_source}
+# Manually created patch for downstream crate metadata changes
+# * exclude files that are only needed for integration in bazel or buck
+# * exclude unused docs sources
+Patch:          cxx-fix-metadata.diff
 
 BuildRequires:  rust-packaging >= 21
 
@@ -111,8 +115,6 @@ use the "std" feature of the "%{crate}" crate.
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
 %cargo_prep
-# Remove executable bit from CI tools
-find book/ tools/ -type f -executable -exec chmod a-x '{}' +
 
 %generate_buildrequires
 %cargo_generate_buildrequires
diff --git a/sources b/sources
index ec4a855..dd49aed 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (cxx-1.0.85.crate) = bf9386f58ea007bcc7171af713e944459a6b219ddbe88813f16df5e274ab85418be23dd7bdaee7964108e9a4a1698365de67362d5504c80bee726f1151166f5c
+SHA512 (cxx-1.0.88.crate) = ace3368c9a97b0c74dffd90890c2060e8657476b87d138fbf1a65c5bc0682c1cc627597e564906eb40e80c7503c8ef970438b8bca045ec9c14baaec9970a1e1b