diff --git a/Cargo.lock b/Cargo.lock
index 91f90522..ce5e2bca 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1216,6 +1216,12 @@ dependencies = [
  "adler",
 ]
 
+[[package]]
+name = "nohash-hasher"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bf50223579dc7cdcfb3bfcacf7069ff68243f8c363f62ffa99cf000a6b9c451"
+
 [[package]]
 name = "normalize-line-endings"
 version = "0.3.0"
@@ -1892,13 +1898,14 @@ dependencies = [
 
 [[package]]
 name = "shakmaty"
-version = "0.27.0"
+version = "0.27.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a2320d3932d5b410b2bdee568152b51f2373f018d3425dc7b424ab9b23a5d13"
+checksum = "8969aea589c3356aa6c0251dbd9c27d0586224f2cb1f068f33d756966f58fb7a"
 dependencies = [
  "arrayvec",
  "bitflags 2.6.0",
  "btoi",
+ "nohash-hasher",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 75deb3ec..f5552f36 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ rand_distr = "0.4.3"
 rayon = "1.10.0"
 shadow-rs = "0.29.0"
 # Used for probing tablebases.
-shakmaty = "0.27.0"
+shakmaty = "0.27.1"
 shakmaty-syzygy = "0.25.0"
 
 [build-dependencies]
@@ -56,7 +56,7 @@ pretty_assertions = "1.1.0"
 proptest = "1.5.0"
 shadow-rs = "0.29.0"
 # Used for testing and comparing against a reasonable baseline for correctness.
-shakmaty = "0.27.0"
+shakmaty = "0.27.1"
 
 [[bench]]
 harness = false