diff --git a/kernel/Cargo.lock b/kernel/Cargo.lock
index 4a125f367..c7f32ba54 100644
--- a/kernel/Cargo.lock
+++ b/kernel/Cargo.lock
@@ -4,9 +4,9 @@ version = 3
 
 [[package]]
 name = "addr2line"
-version = "0.15.2"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7a2e47a1fbe209ee101dd6d61285226744c6c8d3c21c8dc878ba6cb9f467f3a"
+checksum = "3e61f2b7f93d2c7d2b08263acaa4a363b3e276806c68af6134c44f523bf1aacd"
 dependencies = [
  "gimli",
 ]
@@ -28,9 +28,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.41"
+version = "1.0.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15af2628f6890fe2609a3b91bef4c83450512802e59489f9c1cb1fa5df064a61"
+checksum = "28ae2b3dec75a406790005a200b1bd89785afc02517a00ca99ecfe093ee9e6cf"
 
 [[package]]
 name = "atty"
@@ -51,9 +51,9 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "backtrace"
-version = "0.3.60"
+version = "0.3.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7815ea54e4d821e791162e078acbebfd6d8c8939cd559c9335dceb1c8ca7282"
+checksum = "e7a905d892734eea339e896738c14b9afce22b5318f64b951e70bf3844419b01"
 dependencies = [
  "addr2line",
  "cc",
@@ -81,9 +81,9 @@ checksum = "ed8765909f9009617974ab6b7d332625b320b33c326b1e9321382ef1999b5d56"
 
 [[package]]
 name = "bitflags"
-version = "1.2.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "block-buffer"
@@ -120,9 +120,9 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
 [[package]]
 name = "cc"
-version = "1.0.68"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a72c244c1ff497a746a7e1fb3d14bd08420ecda70c8f25c7112f2781652d787"
+checksum = "e70cc2f62c6ce1868963827bd677764c62d07c3d9a3e1fb1177ee1a9ab199eb2"
 
 [[package]]
 name = "cfg-if"
@@ -209,8 +209,9 @@ dependencies = [
 [[package]]
 name = "gdbstub"
 version = "0.5.0"
-source = "git+https://github.com/daniel5151/gdbstub.git?rev=5c702d063baaf78e4ebed7842cc8b96195d119a8#5c702d063baaf78e4ebed7842cc8b96195d119a8"
+source = "git+https://github.com/daniel5151/gdbstub.git?rev=9227dfd0b78db5b20859d13c890f6f47e597029e#9227dfd0b78db5b20859d13c890f6f47e597029e"
 dependencies = [
+ "bitflags",
  "cfg-if 0.1.10",
  "log",
  "managed",
@@ -221,7 +222,7 @@ dependencies = [
 [[package]]
 name = "gdbstub_arch"
 version = "0.1.0"
-source = "git+https://github.com/daniel5151/gdbstub.git?rev=5c702d063baaf78e4ebed7842cc8b96195d119a8#5c702d063baaf78e4ebed7842cc8b96195d119a8"
+source = "git+https://github.com/daniel5151/gdbstub.git?rev=9227dfd0b78db5b20859d13c890f6f47e597029e#9227dfd0b78db5b20859d13c890f6f47e597029e"
 dependencies = [
  "gdbstub",
  "num-traits",
@@ -249,15 +250,15 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.24.0"
+version = "0.25.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e4075386626662786ddb0ec9081e7c7eeb1ba31951f447ca780ef9f5d568189"
+checksum = "f0a01e0497841a3b2db4f8afa483cce65f7e96a3498bd6c541734792aeac8fe7"
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.18"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
 dependencies = [
  "libc",
 ]
@@ -301,9 +302,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.97"
+version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12b8adadd720df158f4d70dfe7ccc6adb0472d7c55ca83445f6a5ab3e36f8fb6"
+checksum = "a1fa8cddc8fbbee11227ef194b5317ed014b8acbf15139bd716a18ad3fe99ec5"
 
 [[package]]
 name = "log"
@@ -322,9 +323,9 @@ checksum = "0ca88d725a0a943b096803bd34e73a4437208b6077654cc4ecb2947a5f91618d"
 
 [[package]]
 name = "memchr"
-version = "2.4.0"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc"
+checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
 
 [[package]]
 name = "miniz_oxide"
@@ -347,9 +348,9 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.25.3"
+version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a38f2be3697a57b4060074ff41b44c16870d916ad7877c17696e063257482bc7"
+checksum = "ee2766204889d09937d00bfbb7fec56bb2a199e2ade963cab19185d8a6104c7c"
 dependencies = [
  "memchr",
 ]
@@ -374,9 +375,9 @@ checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.27"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
+checksum = "5c7ed8b8c7b886ea3ed7dde405212185f423ab44682667c8c6dd14aa1d9f6612"
 dependencies = [
  "unicode-xid",
 ]
@@ -460,9 +461,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.20"
+version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dead70b0b5e03e9c814bcb6b01e03e68f7c57a80aa48c72ec92152ab3e818d49"
+checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
 
 [[package]]
 name = "rustc_version"
@@ -525,9 +526,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.73"
+version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f71489ff30030d2ae598524f61326b902466f72a0fb1a8564c001cc63425bcc7"
+checksum = "b7f58f7e8eaa0009c5fec437aabf511bd9933e4b2d7407bd05273c01a8906ea7"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/kernel/Cargo.toml b/kernel/Cargo.toml
index 36d2d7f38..05f5c4b46 100644
--- a/kernel/Cargo.toml
+++ b/kernel/Cargo.toml
@@ -9,8 +9,8 @@ resolver = "2"
 [dependencies]
 bitflags = "1.2.1"
 # gdbstub branch "dev/0.6"
-gdbstub = { git = "https://github.com/daniel5151/gdbstub.git", optional = true, default_features = false, rev = "5c702d063baaf78e4ebed7842cc8b96195d119a8" }
-gdbstub_arch = { git = "https://github.com/daniel5151/gdbstub.git", optional = true, rev = "5c702d063baaf78e4ebed7842cc8b96195d119a8" }
+gdbstub = { git = "https://github.com/daniel5151/gdbstub.git", optional = true, default_features = false, rev = "9227dfd0b78db5b20859d13c890f6f47e597029e" }
+gdbstub_arch = { git = "https://github.com/daniel5151/gdbstub.git", optional = true, rev = "9227dfd0b78db5b20859d13c890f6f47e597029e" }
 sha3 = { default-features = false, version = "0.8.2" }
 stats_alloc = { version = "0.1.8", optional = true }
 xous-kernel = { package = "xous", path = "../xous-rs", features = [