diff --git a/Cargo.lock b/Cargo.lock
index ea957538f53..0fc30c32dba 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -724,9 +724,9 @@ dependencies = [
 
 [[package]]
 name = "clang-sys"
-version = "1.2.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "853eda514c284c2287f4bf20ae614f8781f40a81d32ecda6e91449304dfe077c"
+checksum = "4cc00842eed744b858222c4c9faf7243aafc6d33f92f96935263ef4d8a41ce21"
 dependencies = [
  "glob",
  "libc",