diff --git a/Cargo.lock b/Cargo.lock
index 182bfb5065..a1651cfa14 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5401,7 +5401,7 @@ name = "omicron-certificates"
 version = "0.1.0"
 dependencies = [
  "display-error-chain",
- "foreign-types 0.3.2",
+ "foreign-types 0.5.0",
  "omicron-common",
  "omicron-test-utils",
  "omicron-workspace-hack",
diff --git a/Cargo.toml b/Cargo.toml
index 4f1a345e6f..fa80df89ee 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -319,7 +319,7 @@ filetime = "0.2.23"
 flate2 = "1.0.31"
 float-ord = "0.3.2"
 flume = "0.11.0"
-foreign-types = "0.3.2"
+foreign-types = "0.5.0"
 fs-err = "2.11.0"
 futures = "0.3.30"
 gateway-api = { path = "gateway-api" }