diff --git a/Cargo.lock b/Cargo.lock
index 3ebe93a..6e580bf 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -56,16 +56,40 @@ version = "2.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed570934406eb16438a4e976b1b4500774099c13b8cb96eec99f620f05090ddf"
 
-[[package]]
-name = "board"
-version = "0.1.0"
-
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chessfriend_bitboard"
+version = "0.1.0"
+dependencies = [
+ "chessfriend_core",
+]
+
+[[package]]
+name = "chessfriend_core"
+version = "0.1.0"
+
+[[package]]
+name = "chessfriend_move_generator"
+version = "0.1.0"
+dependencies = [
+ "chessfriend_bitboard",
+ "chessfriend_core",
+ "chessfriend_position",
+]
+
+[[package]]
+name = "chessfriend_position"
+version = "0.1.0"
+dependencies = [
+ "chessfriend_bitboard",
+ "chessfriend_core",
+]
+
 [[package]]
 name = "clap"
 version = "4.4.18"
@@ -121,10 +145,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
-[[package]]
-name = "core"
-version = "0.1.0"
-
 [[package]]
 name = "endian-type"
 version = "0.1.2"
@@ -151,7 +171,8 @@ checksum = "281e452d3bad4005426416cdba5ccfd4f5c1280e10099e21db27f7c1c28347fc"
 name = "explorer"
 version = "0.1.0"
 dependencies = [
- "board",
+ "chessfriend_core",
+ "chessfriend_position",
  "clap",
  "rustyline",
  "shlex",