diff --git a/Cargo.lock b/Cargo.lock
index d3e9583d..4bba3d38 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -610,9 +610,9 @@ dependencies = [
 
 [[package]]
 name = "jobserver"
-version = "0.1.29"
+version = "0.1.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f08474e32172238f2827bd160c67871cdb2801430f65c3979184dc362e3ca118"
+checksum = "d2b099aaa34a9751c5bf0878add70444e1ed2dd73f347be99003d4577277de6e"
 dependencies = [
  "libc",
 ]