diff --git a/Cargo.lock b/Cargo.lock
index 66091ae8c9..36be459001 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4188,9 +4188,9 @@ dependencies = [
 
 [[package]]
 name = "which"
-version = "4.3.0"
+version = "4.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c831fbbee9e129a8cf93e7747a82da9d95ba8e16621cae60ec2cdc849bacb7b"
+checksum = "2441c784c52b289a054b7201fc93253e288f094e2f4be9058343127c4226a269"
 dependencies = [
  "either",
  "libc",
diff --git a/testing/integration-tests/Cargo.toml b/testing/integration-tests/Cargo.toml
index ba378a39d2..66f24a20b9 100644
--- a/testing/integration-tests/Cargo.toml
+++ b/testing/integration-tests/Cargo.toml
@@ -34,4 +34,4 @@ tokio = { version = "1.8", features = ["macros", "time"] }
 tracing = "0.1.34"
 tracing-subscriber = "0.3.11"
 wabt = "0.10.0"
-which = "4.0.2"
+which = "4.4.0"
diff --git a/testing/test-runtime/Cargo.toml b/testing/test-runtime/Cargo.toml
index c00248003f..278d0407df 100644
--- a/testing/test-runtime/Cargo.toml
+++ b/testing/test-runtime/Cargo.toml
@@ -12,5 +12,5 @@ codec = { package = "parity-scale-codec", version = "3.0.0", default-features =
 [build-dependencies]
 subxt = { path = "../../subxt" }
 tokio = { version = "1.8", features = ["macros", "rt-multi-thread"] }
-which = "4.2.2"
+which = "4.4.0"
 jsonrpsee = { version = "0.16.0", features = ["async-client", "client-ws-transport"] }