diff --git a/Cargo.lock b/Cargo.lock
index 3aabe43b0..578a37865 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -162,9 +162,9 @@ dependencies = [
 
 [[package]]
 name = "bitflags"
-version = "1.3.2"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
 
 [[package]]
 name = "bstr"
@@ -509,9 +509,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.5"
+version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d82cfc11ce7f2c3faef78d8a684447b40d503d9681acebed6cb728d45940c4db"
+checksum = "0bf124c720b7686e3c2663cf54062ab0f68a88af2fb6a030e87e30bf721fcb38"
 dependencies = [
  "cfg-if 1.0.0",
  "lazy_static",
@@ -976,15 +976,15 @@ dependencies = [
 
 [[package]]
 name = "nix"
-version = "0.16.1"
+version = "0.20.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd0eaf8df8bab402257e0a5c17a254e4cc1f72a93588a1ddfb5d356c801aa7cb"
+checksum = "f5e06129fb611568ef4e868c14b326274959aa70ff7776e9d55323531c374945"
 dependencies = [
  "bitflags",
  "cc",
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
- "void",
+ "memoffset",
 ]
 
 [[package]]
@@ -1670,7 +1670,7 @@ dependencies = [
 [[package]]
 name = "serialport"
 version = "4.0.2-alpha.0"
-source = "git+https://github.com/swift-nav/serialport-rs.git#838c01c4dad635a5c9c2dcdf0ce7f9b86db2e3d2"
+source = "git+https://github.com/swift-nav/serialport-rs.git#43d7ea47eaa82aee19a699ca530b593b0fb8d849"
 dependencies = [
  "CoreFoundation-sys",
  "IOKit-sys",
@@ -2030,12 +2030,6 @@ 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"