diff --git a/Cargo.lock b/Cargo.lock
index 931653c0f..2869666d5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -117,13 +117,13 @@ checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
 [[package]]
 name = "cc"
-version = "1.0.104"
+version = "1.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74b6a57f98764a267ff415d50a25e6e166f3831a5071af4995296ea97d210490"
+checksum = "13208fcbb66eaeffe09b99fffbe1af420f00a7b35aa99ad683dfc1aa76145229"
 dependencies = [
  "jobserver",
  "libc",
- "once_cell",
+ "shlex",
 ]
 
 [[package]]
@@ -648,7 +648,7 @@ dependencies = [
 
 [[package]]
 name = "tskit"
-version = "0.15.0-alpha.1"
+version = "0.15.0-alpha.2"
 dependencies = [
  "anyhow",
  "bincode",
diff --git a/Cargo.toml b/Cargo.toml
index 297afd9b9..8e8cf7394 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -46,7 +46,7 @@ humantime = {version = "2.1.0"}
 
 [build-dependencies]
 bindgen = "0.69.4"
-cc = { version = "1.0", features = ["parallel"] }
+cc = { version = "1.2", features = ["parallel"] }
 pkg-config = "0.3"
 
 [features]