diff --git a/Cargo.lock b/Cargo.lock
index 91bda00..3361003 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -29,9 +29,9 @@ dependencies = [
 
 [[package]]
 name = "btoi"
-version = "0.4.3"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dd6407f73a9b8b6162d8a2ef999fe6afd7cc15902ebf42c5cd296addf17e0ad"
+checksum = "3b5ab9db53bcda568284df0fd39f6eac24ad6f7ba7ff1168b9e76eba6576b976"
 dependencies = [
  "num-traits",
 ]
@@ -100,9 +100,9 @@ dependencies = [
 
 [[package]]
 name = "shakmaty"
-version = "0.27.3"
+version = "0.30.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f414cadc4e727893d1a3b0dca62aaef4c1c821dcbd969f0b10a92e12d684d53a"
+checksum = "41cef923c4ad8bf68e6f52a3091499108b8fec71ea8c4ba27d1acfb263f53241"
 dependencies = [
  "arrayvec",
  "bitflags",
diff --git a/Cargo.toml b/Cargo.toml
index be0e036..21b4776 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -30,4 +30,4 @@ include = [
 ]
 
 [dependencies]
-shakmaty = "0.27"
+shakmaty = "0.30"