diff --git a/Cargo.lock b/Cargo.lock
index 2d39ec8..23ac939 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -81,11 +81,10 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.24.0"
+version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f1c6c3591120564d64db2261bec5f910ae454f01def849b9c22835a84695e86"
+checksum = "8970a78afe0628a3e3430376fc5fd76b6b45c4d43360ffd6cdd40bdde72b682a"
 dependencies = [
- "cfg-if",
  "indoc",
  "libc",
  "memoffset",
@@ -99,9 +98,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.24.0"
+version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9b6c2b34cf71427ea37c7001aefbaeb85886a074795e35f161f5aecc7620a7a"
+checksum = "458eb0c55e7ece017adeba38f2248ff3ac615e53660d7c71a238d7d2a01c7598"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -109,9 +108,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.24.0"
+version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5507651906a46432cdda02cd02dd0319f6064f1374c9147c45b978621d2c3a9c"
+checksum = "7114fe5457c61b276ab77c5055f206295b812608083644a5c5b2640c3102565c"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -119,9 +118,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.24.0"
+version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0d394b5b4fd8d97d48336bb0dd2aebabad39f1d294edd6bcd2cccf2eefe6f42"
+checksum = "a8725c0a622b374d6cb051d11a0983786448f7785336139c3c94f5aa6bef7e50"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -131,9 +130,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.24.0"
+version = "0.25.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd72da09cfa943b1080f621f024d2ef7e2773df7badd51aa30a2be1f8caa7c8e"
+checksum = "4109984c22491085343c05b0dbc54ddc405c3cf7b4374fc533f5c3313a572ccc"
 dependencies = [
  "heck",
  "proc-macro2",
diff --git a/Cargo.toml b/Cargo.toml
index 553ccf6..81f6504 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,5 +16,5 @@ crate-type = ["cdylib"]
 
 [dependencies]
 crc32fast = "1.4.2"
-pyo3 = "0.24.0"
+pyo3 = "0.25.1"