diff --git a/Cargo.lock b/Cargo.lock
index 7802f343..6a87ca9f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2280,9 +2280,9 @@ checksum = "42a4d50cdb458045afc8131fd91b64904da29548bcb63c7236e0844936c13078"
 
 [[package]]
 name = "tempfile"
-version = "3.20.0"
+version = "3.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8a64e3985349f2441a1a9ef0b853f869006c3855f2cda6862a94d26ebb9d6a1"
+checksum = "15b61f8f20e3a6f7e0649d825294eaf317edce30f82cf6026e7e4cb9222a7d1e"
 dependencies = [
  "fastrand",
  "getrandom 0.3.1",
diff --git a/dropshot/Cargo.toml b/dropshot/Cargo.toml
index ac537483..ada51116 100644
--- a/dropshot/Cargo.toml
+++ b/dropshot/Cargo.toml
@@ -101,7 +101,7 @@ lazy_static = "1.5.0"
 libc = "0.2.175"
 mime_guess = "2.0.5"
 subprocess = "0.2.9"
-tempfile = "3.20"
+tempfile = "3.21"
 trybuild = "1.0.110"
 # Used by the https examples and tests
 pem = "3.0"