diff --git a/libflux/Cargo.lock b/libflux/Cargo.lock
index acdecfea21..2b561c4e2e 100644
--- a/libflux/Cargo.lock
+++ b/libflux/Cargo.lock
@@ -704,9 +704,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.141"
+version = "0.2.158"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3304a64d199bb964be99741b7a14d26972741915b3649639149b2479bb46f4b5"
+checksum = "d8adc4bb1803a324070e64a98ae98f38934d91957a99cfb3a43dcbc01bc56439"
 
 [[package]]
 name = "libflate"
diff --git a/libflux/go/libflux/buildinfo.gen.go b/libflux/go/libflux/buildinfo.gen.go
index 08d436d9a4..ac2ae2fdcc 100644
--- a/libflux/go/libflux/buildinfo.gen.go
+++ b/libflux/go/libflux/buildinfo.gen.go
@@ -13,7 +13,7 @@ package libflux
 //
 //lint:ignore U1000 generated code
 var sourceHashes = map[string]string{
-	"libflux/Cargo.lock":                                                                          "58302d93174bb2def223a5439ddbc596476216bf511a11f0ff2fc23865fc1d0a",
+	"libflux/Cargo.lock":                                                                          "f38444da6451aecd2bd7c4b977a713d5fa0fd7a80f775d13f8baa097bbfaebd4",
 	"libflux/Cargo.toml":                                                                          "91ac4e8b467440c6e8a9438011de0e7b78c2732403bb067d4dd31539ac8a90c1",
 	"libflux/flux-core/Cargo.toml":                                                                "b0d9447d8532d4732f5fbbc605229ecfda4e24f7a01731f2949711b3f322add1",
 	"libflux/flux-core/src/ast/check/mod.rs":                                                      "4a6511e9ccc9718eada01b29544bd4d5c324ae87a85906c25ad7193a890f86fc",