diff --git a/Cargo.lock b/Cargo.lock
index 428e1a4..6806412 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -160,9 +160,9 @@ dependencies = [
 
 [[package]]
 name = "cortex-m-rt"
-version = "0.7.1"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c433da385b720d5bb9f52362fa2782420798e68d40d67bfe4b0d992aba5dfe7"
+checksum = "ee84e813d593101b1723e13ec38b6ab6abbdbaaa4546553f5395ed274079ddb1"
 dependencies = [
  "cortex-m-rt-macros",
 ]
@@ -249,9 +249,9 @@ checksum = "0db23d29972d99baa3de2ee2ae3f104c10564a6d05a346eb3f4c4f2c0525a06e"
 
 [[package]]
 name = "delegate"
-version = "0.7.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d70a2d4995466955a415223acf3c9c934b9ff2339631cdf4ffc893da4bacd717"
+checksum = "d358e0ec5c59a5e1603b933def447096886121660fc680dc1e64a0753981fe3c"
 dependencies = [
  "proc-macro2 1.0.47",
  "quote 1.0.21",
@@ -354,12 +354,27 @@ dependencies = [
  "syn 0.15.44",
 ]
 
+[[package]]
+name = "fugit"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17186ad64927d5ac8f02c1e77ccefa08ccd9eaa314d5a4772278aa204a22f7e7"
+dependencies = [
+ "gcd",
+]
+
 [[package]]
 name = "funty"
 version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1847abb9cb65d566acd5942e94aea9c8f547ad02c98e1649326fc0e8910b8b1e"
 
+[[package]]
+name = "gcd"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d758ba1b47b00caf47f24925c0074ecb20d6dfcffe7f6d53395c0465674841a"
+
 [[package]]
 name = "gimli"
 version = "0.27.0"
@@ -591,6 +606,12 @@ version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66"
 
+[[package]]
+name = "option-block"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0f2c5d345596a14d7c8b032a68f437955f0059f2eb9a5972371c84f7eef3227"
+
 [[package]]
 name = "owo-colors"
 version = "3.5.0"
@@ -1062,16 +1083,17 @@ dependencies = [
 
 [[package]]
 name = "usbd-human-interface-device"
-version = "0.2.1"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f01ee9d05b01603f4d6ee43e7d0ebe140f16567d6ff99fde0dc1ea6e7564e65"
+checksum = "ec9b21b68dbad6f411589e94b1b4e8792943959e8a99fdbc336f38cf4e5a3542"
 dependencies = [
  "delegate",
- "embedded-time",
  "frunk",
+ "fugit",
  "heapless",
  "log",
  "num_enum",
+ "option-block",
  "packed_struct",
  "usb-device",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 1259799..7c638cd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -39,7 +39,7 @@ usbd-human-interface-device = "0.3.1"
 
 # ? -- ARM --
 cortex-m = "0.7.3"
-cortex-m-rt = ">=0.6.15,<0.8"
+cortex-m-rt = ">=0.6.15, <0.8"
 cortex-m-rtic = "0.6.0-rc.4"
 embedded-hal = { version = "0.2.5", features = ["unproven"] }
 embedded-time = "0.12.0"