diff --git a/Cargo.lock b/Cargo.lock
index f61878199..c70ba04f5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -794,9 +794,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[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 = "libgit2-sys"
@@ -1949,9 +1949,9 @@ 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 2d085142c..c30cd161c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -75,7 +75,7 @@ unicode-segmentation = "1.9.0"
 unicode-width = "0.1.9"
 urlencoding = "2.1.0"
 versions = "4.0.0"
-which = "4.2.4"
+which = "4.2.5"
 yaml-rust = "0.4.5"
 
 process_control = { version = "3.3.0", features = ["crossbeam-channel"] }