diff --git a/Cargo.lock b/Cargo.lock
index 13e38e8..cb9b129 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -67,7 +67,7 @@ version = "1.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "40c48f72fd53cd289104fc64099abca73db4166ad86ea0b4341abe65af83dadc"
 dependencies = [
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -78,7 +78,7 @@ checksum = "291e6a250ff86cd4a820112fb8898808a366d8f9f58ce16d1f538353ad55747d"
 dependencies = [
  "anstyle",
  "once_cell_polyfill",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -544,7 +544,7 @@ dependencies = [
  "libc",
  "option-ext",
  "redox_users",
- "windows-sys 0.60.2",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -694,7 +694,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -1743,9 +1743,9 @@ dependencies = [
 
 [[package]]
 name = "npyz"
-version = "0.8.4"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f0e759e014e630f90af745101b614f761306ddc541681e546649068e25ec1b9"
+checksum = "0a01a88a1d2f89d362475ad16f34de3994f7c86b12259236f5d33537b040bcd4"
 dependencies = [
  "byteorder",
  "num-bigint",
@@ -2425,7 +2425,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -2864,7 +2864,7 @@ dependencies = [
  "getrandom 0.3.4",
  "once_cell",
  "rustix",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
diff --git a/crates/sbv2_core/Cargo.toml b/crates/sbv2_core/Cargo.toml
index 40d33f4..df48137 100644
--- a/crates/sbv2_core/Cargo.toml
+++ b/crates/sbv2_core/Cargo.toml
@@ -16,7 +16,7 @@ env_logger.workspace = true
 hound = "3.5.1"
 jpreprocess = { version = "0.13.2", features = ["naist-jdic"] }
 ndarray.workspace = true
-npyz = { version = "0.8.4", optional = true }
+npyz = { version = "0.9.1", optional = true }
 num_cpus = "1.17.0"
 once_cell.workspace = true
 ort = { git = "https://github.com/pykeio/ort.git", version = "2.0.0-rc.9", optional = true }