diff --git a/Cargo.lock b/Cargo.lock
index 9ea27cc..7374aef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -669,9 +669,9 @@ dependencies = [
 
 [[package]]
 name = "memoffset"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d61c719bcfbcf5d62b3a09efa6088de8c54bc0bfcd3ea7ae39fcc186108b8de1"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -809,15 +809,15 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.18.1"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06a3d8e8a46ab2738109347433cb7b96dffda2e4a218b03ef27090238886b147"
+checksum = "ffb88ae05f306b4bfcde40ac4a51dc0b05936a9207a4b75b798c7729c4258a59"
 dependencies = [
  "cfg-if",
  "chrono",
  "indoc",
  "libc",
- "memoffset 0.8.0",
+ "memoffset 0.9.0",
  "parking_lot",
  "pyo3-build-config",
  "pyo3-ffi",
@@ -827,9 +827,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.18.1"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75439f995d07ddfad42b192dfcf3bc66a7ecfd8b4a1f5f6f046aa5c2c5d7677d"
+checksum = "554db24f0b3c180a9c0b1268f91287ab3f17c162e15b54caaae5a6b3773396b0"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -837,9 +837,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.18.1"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "839526a5c07a17ff44823679b68add4a58004de00512a95b6c1c98a6dcac0ee5"
+checksum = "922ede8759e8600ad4da3195ae41259654b9c55da4f7eec84a0ccc7d067a70a4"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -847,9 +847,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.18.1"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd44cf207476c6a9760c4653559be4f206efafb924d3e4cbf2721475fc0d6cc5"
+checksum = "8a5caec6a1dd355964a841fcbeeb1b89fe4146c87295573f94228911af3cc5a2"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -859,9 +859,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.18.1"
+version = "0.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1f43d8e30460f36350d18631ccf85ded64c059829208fe680904c65bcd0a4c"
+checksum = "e0b78ccbb160db1556cdb6fd96c50334c5d4ec44dc5e0a968d0a1208fa0efa8b"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/Cargo.toml b/Cargo.toml
index 5f36877..a46cc18 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ name = "tantivy"
 crate-type = ["cdylib"]
 
 [build-dependencies]
-pyo3-build-config = "0.18.0"
+pyo3-build-config = "0.19.1"
 
 [dependencies]
 chrono = "0.4.23"
@@ -21,5 +21,5 @@ futures = "0.3.26"
 serde_json = "1.0.91"
 
 [dependencies.pyo3]
-version = "0.18.0"
+version = "0.19.1"
 features = ["chrono", "extension-module"]