diff --git a/Cargo.lock b/Cargo.lock
index 07dc19da9821cdd0b681ec2c41aa6bb94a43fa73..4a15070e2e7745738313fc4b2b39e7138cc70679 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1822,9 +1822,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.120"
+version = "0.2.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad5c14e80759d0939d013e6ca49930e59fc53dd8e5009132f76240c179380c09"
+checksum = "efaa7b300f3b5fe8eb6bf21ce3895e1751d9665086af2d64b42f19701015ff4f"
 
 [[package]]
 name = "libsecp256k1"
@@ -4032,9 +4032,9 @@ dependencies = [
 
 [[package]]
 name = "which"
-version = "4.2.4"
+version = "4.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a5a7e487e921cf220206864a94a89b6c6905bfc19f1057fa26a4cb360e5c1d2"
+checksum = "5c4fb54e6113b6a8772ee41c3404fb0301ac79604489467e0a9ce1f3e97c24ae"
 dependencies = [
  "either",
  "lazy_static",
diff --git a/Cargo.toml b/Cargo.toml
index b5995d9541e844b560c6e09fa2bf595eb7c5a3d1..cda1927852aca85239a873ebcd8c75899eaf0aa1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ zip = { version = "0.5.13", default-features = false }
 parity-wasm = "0.42.2"
 cargo_metadata = "0.14.2"
 scale = { package = "parity-scale-codec", version = "3.0.0", features = ["derive"] }
-which = "4.2.4"
+which = "4.2.5"
 colored = "2.0.0"
 toml = "0.5.8"
 rustc_version = "0.4.0"
@@ -72,7 +72,7 @@ zip = { version = "0.5.13", default-features = false }
 walkdir = "2.3.2"
 substrate-build-script-utils = "3.0.0"
 platforms = "2.0.0"
-which = "4.2.4"
+which = "4.2.5"
 
 [dev-dependencies]
 assert_cmd = "2.0.4"