diff --git a/Cargo.lock b/Cargo.lock
index 0cd15e404ee..4afa9506a06 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1663,9 +1663,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.116"
+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "565dbd88872dbe4cc8a46e527f26483c1d1f7afa6b884a3bd6cd893d4f98da74"
+checksum = "e74d72e0f9b65b5b4ca49a346af3976df0f9c61d550727f349ecd559f251a26c"
 
 [[package]]
 name = "lock_api"
diff --git a/nexus/Cargo.toml b/nexus/Cargo.toml
index f2e1bc644fb..ae3f46072fe 100644
--- a/nexus/Cargo.toml
+++ b/nexus/Cargo.toml
@@ -23,7 +23,7 @@ hyper = "0.14"
 db-macros = { path = "src/db/db-macros" }
 ipnetwork = "0.18"
 lazy_static = "1.4.0"
-libc = "0.2.116"
+libc = "0.2.117"
 macaddr = { version = "1.0.1", features = [ "serde_std" ]}
 mime_guess = "2.0.3"
 newtype_derive = "0.1.6"
diff --git a/test-utils/Cargo.toml b/test-utils/Cargo.toml
index bbddda114f8..c0ebe3c2848 100644
--- a/test-utils/Cargo.toml
+++ b/test-utils/Cargo.toml
@@ -7,7 +7,7 @@ license = "MPL-2.0"
 [dependencies]
 anyhow = "1.0"
 futures = "0.3.21"
-libc = "0.2.116"
+libc = "0.2.117"
 omicron-common = { path = "../common" }
 postgres-protocol = "0.6.3"
 signal-hook = "0.3"