diff --git a/Cargo.lock b/Cargo.lock
index be0f3adf2..a46207e5f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1104,19 +1104,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "nix"
-version = "0.13.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4dbdc256eaac2e3bd236d93ad999d3479ef775c863dbda3068c4006a92eec51b"
-dependencies = [
- "bitflags",
- "cc",
- "cfg-if 0.1.10",
- "libc",
- "void",
-]
-
 [[package]]
 name = "nix"
 version = "0.19.1"
@@ -2712,7 +2699,7 @@ version = "0.0.7"
 dependencies = [
  "clap",
  "libc",
- "nix 0.13.1",
+ "nix 0.20.0",
  "uucore",
  "uucore_procs",
 ]
@@ -3312,12 +3299,6 @@ version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
-[[package]]
-name = "void"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
-
 [[package]]
 name = "walkdir"
 version = "2.3.2"
diff --git a/src/uu/nice/Cargo.toml b/src/uu/nice/Cargo.toml
index 31c310790..5f0c2c07a 100644
--- a/src/uu/nice/Cargo.toml
+++ b/src/uu/nice/Cargo.toml
@@ -17,7 +17,7 @@ path = "src/nice.rs"
 [dependencies]
 clap = { version = "2.33", features = ["wrap_help"] }
 libc = "0.2.42"
-nix = { version="<=0.13" }
+nix = "0.20"
 uucore = { version=">=0.0.9", package="uucore", path="../../uucore" }
 uucore_procs = { version=">=0.0.6", package="uucore_procs", path="../../uucore_procs" }