diff --git a/Cargo.lock b/Cargo.lock
index 21ae9461..744cdd75 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -268,9 +268,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.148"
+version = "0.2.149"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9cdc71e17332e86d2e1d38c1f99edcb6288ee11b815fb1a4b049eaa2114d369b"
+checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b"
 
 [[package]]
 name = "libnss"
diff --git a/nss/Cargo.toml b/nss/Cargo.toml
index eccb1ec8..4c159473 100644
--- a/nss/Cargo.toml
+++ b/nss/Cargo.toml
@@ -14,7 +14,7 @@ integration-tests = []
 [dependencies]
 ctor = "0.2.5"
 libnss = "0.5.0"
-libc = "0.2.148"
+libc = "0.2.149"
 log = "0.4.20"
 lazy_static = "^1.4"
 paste = "^1"