diff --git a/Cargo.lock b/Cargo.lock
index 6999ae4a511..05ba25d2880 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -6446,8 +6446,7 @@ checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
 [[package]]
 name = "unwind-sys"
 version = "0.1.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d554005b247de226d124a523cae6cd6a4348277071258296dda837cf760e02e7"
+source = "git+https://github.com/sfackler/rstack?rev=bd0f3ec#bd0f3eceb9f086a93c1e4c5fbccf1f886effe627"
 dependencies = [
  "libc",
  "pkg-config",
diff --git a/components/background_hang_monitor/Cargo.toml b/components/background_hang_monitor/Cargo.toml
index 32cfbf93227..6af6df24a88 100644
--- a/components/background_hang_monitor/Cargo.toml
+++ b/components/background_hang_monitor/Cargo.toml
@@ -29,4 +29,6 @@ mach = "0.3"
 
 [target.'cfg(all(target_os = "linux", not(any(target_arch = "arm", target_arch = "aarch64"))))'.dependencies]
 nix = "0.25"
-unwind-sys = "0.1.1"
+# There's a bug in 0.1.3 that prevent proper compilation against rc revisions
+# of libunwind. Depend on the git repository version until 0.1.4 is released.
+unwind-sys = { git = "https://github.com/sfackler/rstack", rev = "bd0f3ec" }