diff --git a/Cargo.toml b/Cargo.toml
index de63b80..b1444c4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,7 +53,7 @@ partial-struct = { git = "https://github.com/oxidecomputer/partial-struct" }
 progenitor = { git = "https://github.com/oxidecomputer/progenitor" }
 progenitor-client = { git = "https://github.com/oxidecomputer/progenitor" }
 rand = "0.8.5"
-rand_core = "0.6"
+rand_core = "0.9"
 regex = "1.11.1"
 reqwest = { version = "0.12", default-features = false, features = ["json", "stream", "rustls-tls"] }
 reqwest-middleware = "0.4"