diff --git a/Cargo.lock b/Cargo.lock
index a09eade..acde5f6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,6 +8,7 @@ version = "0.3.0"
 dependencies = [
  "chrono",
  "crc32fast",
+ "dh",
  "neozip",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 6880aee..8a83e68 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,4 +11,5 @@ name = 'corelib'
 [dependencies]
 chrono = "0.4.38"
 crc32fast = "1.4.2"
+dh = "0.4.0"
 neozip = "0.2.0"