diff --git a/Cargo.lock b/Cargo.lock
index 1bf0f03..b648343 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -382,7 +382,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
@@ -522,7 +522,7 @@ checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
@@ -570,14 +570,14 @@ dependencies = [
 
 [[package]]
 name = "getset"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e45727250e75cc04ff2846a66397da8ef2b3db8e40e0cef4df67950a07621eb9"
+checksum = "f636605b743120a8d32ed92fc27b6cde1a769f8f936c065151eb66f88ded513c"
 dependencies = [
- "proc-macro-error",
+ "proc-macro-error2",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
+ "syn",
 ]
 
 [[package]]
@@ -932,9 +932,9 @@ checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
 [[package]]
 name = "memmap2"
-version = "0.9.4"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe751422e4a8caa417e13c3ea66452215d7d63e19e604f4980461212f3ae1322"
+checksum = "fd3f7eed9d3848f8b98834af67102b720745c4ec028fcd0aa0239277e7de374f"
 dependencies = [
  "libc",
 ]
@@ -1016,7 +1016,7 @@ checksum = "254a5372af8fc138e36684761d3c0cdb758a4410e938babcff1c860ce14ddbfc"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
@@ -1158,7 +1158,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
@@ -1211,7 +1211,7 @@ dependencies = [
  "proc-macro2",
  "proc-macro2-diagnostics",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
@@ -1272,7 +1272,7 @@ checksum = "2f38a4412a78282e09a2cf38d195ea5420d15ba0602cb375210efbc877243965"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
@@ -1334,27 +1334,25 @@ dependencies = [
 ]
 
 [[package]]
-name = "proc-macro-error"
-version = "1.0.4"
+name = "proc-macro-error-attr2"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da25490ff9892aab3fcf7c36f08cfb902dd3e71ca0f9f9517bea02a73a5ce38c"
+checksum = "96de42df36bb9bba5542fe9f1a054b8cc87e172759a1868aa05c1f3acc89dfc5"
 dependencies = [
- "proc-macro-error-attr",
  "proc-macro2",
  "quote",
- "syn 1.0.109",
- "version_check",
 ]
 
 [[package]]
-name = "proc-macro-error-attr"
-version = "1.0.4"
+name = "proc-macro-error2"
+version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1be40180e52ecc98ad80b184934baf3d0d29f979574e439af5a55274b35f869"
+checksum = "11ec05c52be0a07b08061f7dd003e7d7092e0472bc731b4af7bb1ef876109802"
 dependencies = [
+ "proc-macro-error-attr2",
  "proc-macro2",
  "quote",
- "version_check",
+ "syn",
 ]
 
 [[package]]
@@ -1374,7 +1372,7 @@ checksum = "af066a9c399a26e020ada66a034357a868728e72cd426f3adcd35f80d88d88c8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
  "version_check",
  "yansi",
 ]
@@ -1427,7 +1425,7 @@ dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
@@ -1440,7 +1438,7 @@ dependencies = [
  "proc-macro2",
  "pyo3-build-config",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
@@ -1746,22 +1744,22 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.209"
+version = "1.0.210"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99fce0ffe7310761ca6bf9faf5115afbc19688edd00171d81b1bb1b116c63e09"
+checksum = "c8e3592472072e6e22e0a54d5904d9febf8508f65fb8552499a1abc7d1078c3a"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.209"
+version = "1.0.210"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5831b979fd7b5439637af1752d535ff49f4860c0f341d1baeb6faf0f4242170"
+checksum = "243902eda00fad750862fc144cea25caca5e20d615af0a81bee94ca738f1df1f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
@@ -1855,9 +1853,9 @@ checksum = "bceb57dc07c92cdae60f5b27b3fa92ecaaa42fe36c55e22dbfb0b44893e0b1f7"
 
 [[package]]
 name = "sourmash"
-version = "0.15.1"
+version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "defabd52b7cb3212887b0f213f68133672ed0d85796136525da454f2b19cd320"
+checksum = "9a73bae93170d8d0f816e18b6a630d76e134b90958850985ee2f0fb2f641d4de"
 dependencies = [
  "az",
  "byteorder",
@@ -1966,17 +1964,6 @@ version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
-[[package]]
-name = "syn"
-version = "1.0.109"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-ident",
-]
-
 [[package]]
 name = "syn"
 version = "2.0.77"
@@ -2054,7 +2041,7 @@ checksum = "a4558b58466b9ad7ca0f102865eccc95938dca1a74a856f2b57b6629050da261"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
@@ -2098,7 +2085,7 @@ checksum = "693d596312e88961bc67d7f1f97af8a70227d9f90c31bba5806eec004978d752"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
@@ -2216,7 +2203,7 @@ checksum = "1f718dfaf347dcb5b983bfc87608144b0bad87970aebcbea5ce44d2a30c08e63"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
@@ -2333,7 +2320,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
  "wasm-bindgen-shared",
 ]
 
@@ -2367,7 +2354,7 @@ checksum = "afc340c74d9005395cf9dd098506f7f44e38f2b4a21c6aaacf9a105ea5e1e836"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -2565,7 +2552,7 @@ checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.77",
+ "syn",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 244b622..5faea78 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,7 +12,7 @@ crate-type = ["cdylib"]
 pyo3 = { version = "0.22.2", features = ["extension-module", "anyhow"] }
 rayon = "1.10.0"
 serde = { version = "1.0.204", features = ["derive"] }
-sourmash = { version = "0.15.1"}
+sourmash = { version = "0.15.2"}
 serde_json = "1.0.120"
 niffler = "2.4.0"
 needletail = "0.5.1"