diff --git a/Cargo.lock b/Cargo.lock
index a44185daa..e1b8ad533 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -379,8 +379,8 @@ dependencies = [
 
 [[package]]
 name = "hex"
-version = "0.3.2"
-source = "git+https://github.com/KokaKiwi/rust-hex#264b89f9ca171efe3bf9ca105617edfacaa96f6c"
+version = "0.4.0"
+source = "git+https://github.com/KokaKiwi/rust-hex#bd77fe5b2c06d5e102725a4d620a16839515ba6b"
 
 [[package]]
 name = "humantime"
@@ -862,7 +862,7 @@ version = "0.1.0"
 dependencies = [
  "bstr 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "gif 0.10.0 (git+https://github.com/SunriseOS/image-gif)",
- "hex 0.3.2 (git+https://github.com/KokaKiwi/rust-hex)",
+ "hex 0.4.0 (git+https://github.com/KokaKiwi/rust-hex)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1126,7 +1126,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum gif 0.10.0 (git+https://github.com/SunriseOS/image-gif)" = "<none>"
 "checksum hashbrown 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e1de41fb8dba9714efd92241565cdff73f78508c95697dd56787d3cba27e2353"
 "checksum heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
-"checksum hex 0.3.2 (git+https://github.com/KokaKiwi/rust-hex)" = "<none>"
+"checksum hex 0.4.0 (git+https://github.com/KokaKiwi/rust-hex)" = "<none>"
 "checksum humantime 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
 "checksum ident_case 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
 "checksum lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bc5729f27f159ddd61f4df6228e827e86643d4d3e7c32183cb30a1c08f604a14"