diff --git a/Cargo.toml b/Cargo.toml
index e371df2..a907456 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "RocksDict"
-version = "0.3.3"
+version = "0.3.14"
 edition = "2021"
 description = "Rocksdb Python Binding"
 
@@ -11,8 +11,8 @@ name = "rocksdict"
 crate-type = ["cdylib"]
 
 [dependencies]
-rocksdb = { git = "https://github.com/Congyuwang/rust-rocksdb", tag = "v0.21.0+8.1.1" }
-librocksdb-sys = { git = "https://github.com/Congyuwang/rust-rocksdb", tag = "v0.21.0+8.1.1" }
+rocksdb = { git = "https://github.com/Congyuwang/rust-rocksdb", tag = "v0.21.0+8.5.3" }
+librocksdb-sys = { git = "https://github.com/Congyuwang/rust-rocksdb", tag = "v0.21.0+8.5.3" }
 pyo3-log = "0.8"
 log = "0.4"
 serde = { version = "1", features = ["derive"] }
diff --git a/pyproject.toml b/pyproject.toml
index 7c83629..5829212 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "rocksdict"
-version = "0.3.13"
+version = "0.3.14"
 description = "Rocksdb Python Binding"
 long_description_content_type="text/markdown"
 readme = "README.md"
diff --git a/python/rocksdict/__init__.py b/python/rocksdict/__init__.py
index eb60db1..91167b8 100644
--- a/python/rocksdict/__init__.py
+++ b/python/rocksdict/__init__.py
@@ -31,7 +31,8 @@
            "Env",
            "FifoCompactOptions",
            "CompactOptions",
-           "BottommostLevelCompaction"]
+           "BottommostLevelCompaction",
+           "KeyEncodingType"]
 
 Rdict.__enter__ = lambda self: self
 Rdict.__exit__ = lambda self, exc_type, exc_val, exc_tb: self.close()
diff --git a/python/rocksdict/rocksdict.pyi b/python/rocksdict/rocksdict.pyi
index 86d9c54..58919b4 100644
--- a/python/rocksdict/rocksdict.pyi
+++ b/python/rocksdict/rocksdict.pyi
@@ -29,7 +29,8 @@ __all__ = ["Rdict",
            "AccessType",
            "Snapshot",
            "CompactOptions",
-           "BottommostLevelCompaction"]
+           "BottommostLevelCompaction",
+           "KeyEncodingType"]
 
 class DataBlockIndexType:
     @staticmethod
@@ -538,3 +539,9 @@ class CompactOptions:
     def set_bottommost_level_compaction(self, lvl: BottommostLevelCompaction) -> None: ...
     def set_change_level(self, v: bool) -> None: ...
     def set_target_level(self, lvl: int) -> None: ...
+
+class KeyEncodingType:
+    @staticmethod
+    def none() -> KeyEncodingType: ...
+    @staticmethod
+    def prefix() -> KeyEncodingType: ...
diff --git a/src/lib.rs b/src/lib.rs
index 5075a3e..1ccde39 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -139,6 +139,7 @@ fn rocksdict(_py: Python, m: &PyModule) -> PyResult<()> {
     m.add_class::<CompactOptionsPy>()?;
     m.add_class::<BottommostLevelCompactionPy>()?;
     m.add_class::<ChecksumTypePy>()?;
+    m.add_class::<KeyEncodingTypePy>()?;
     pyo3_log::init();
     Ok(())
 }
diff --git a/src/options.rs b/src/options.rs
index 8818af1..1546e7f 100644
--- a/src/options.rs
+++ b/src/options.rs
@@ -208,6 +208,26 @@ pub(crate) struct BlockBasedOptionsPy(BlockBasedOptions);
 #[pyclass(name = "CuckooTableOptions")]
 pub(crate) struct CuckooTableOptionsPy(CuckooTableOptions);
 
+/// Used in `PlainTableFactoryOptions`.
+#[derive(Clone)]
+#[pyclass(name = "KeyEncodingType")]
+pub(crate) struct KeyEncodingTypePy(KeyEncodingType);
+
+#[pymethods]
+impl KeyEncodingTypePy {
+    /// Always write full keys.
+    #[staticmethod]
+    pub fn plain() -> Self {
+        KeyEncodingTypePy(KeyEncodingType::Plain)
+    }
+
+    /// Find opportunities to write the same prefix for multiple rows.
+    #[staticmethod]
+    pub fn prefix() -> Self {
+        KeyEncodingTypePy(KeyEncodingType::Prefix)
+    }
+}
+
 ///
 /// Used with DBOptions::set_plain_table_factory.
 /// See official [wiki](https://github.com/facebook/rocksdb/wiki/PlainTable-Format) for more
@@ -232,6 +252,18 @@ pub(crate) struct PlainTableFactoryOptionsPy {
 
     #[pyo3(get, set)]
     index_sparseness: usize,
+
+    #[pyo3(get, set)]
+    huge_page_tlb_size: usize,
+
+    #[pyo3(get, set)]
+    encoding_type: KeyEncodingTypePy,
+
+    #[pyo3(get, set)]
+    full_scan_mode: bool,
+
+    #[pyo3(get, set)]
+    store_index_in_file: bool,
 }
 
 #[pyclass(name = "Cache")]
@@ -2391,6 +2423,10 @@ impl PlainTableFactoryOptionsPy {
             bloom_bits_per_key: 10,
             hash_table_ratio: 0.75,
             index_sparseness: 16,
+            huge_page_tlb_size: 0,
+            encoding_type: KeyEncodingTypePy(KeyEncodingType::Plain),
+            full_scan_mode: false,
+            store_index_in_file: false,
         }
     }
 }
@@ -2409,6 +2445,10 @@ impl PlainTableFactoryOptionsPy {
             bloom_bits_per_key: self.bloom_bits_per_key,
             hash_table_ratio: self.hash_table_ratio,
             index_sparseness: self.index_sparseness,
+            huge_page_tlb_size: self.huge_page_tlb_size,
+            encoding_type: self.encoding_type.0,
+            full_scan_mode: self.full_scan_mode,
+            store_index_in_file: self.store_index_in_file,
         }
     }
 }
diff --git a/src/rdict.rs b/src/rdict.rs
index b4fb6c3..057bf76 100644
--- a/src/rdict.rs
+++ b/src/rdict.rs
@@ -1313,7 +1313,7 @@ fn get_batch_inner<'a>(
         for key in key_list {
             keys.push(encode_key(key, raw_mode)?);
         }
-        db.batched_multi_get_cf_opt(cf.deref(), keys, false, read_opt)
+        db.batched_multi_get_cf_opt(cf.deref(), &keys, false, read_opt)
     };
     let result = PyList::empty(py);
     for v in values {