diff --git a/Cargo.lock b/Cargo.lock
index c75714f9..fa6c8f44 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -50,9 +50,9 @@ dependencies = [
 
 [[package]]
 name = "autocfg"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "base64"
@@ -91,9 +91,9 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "block-buffer"
-version = "0.10.0"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1d36a02058e76b040de25a4464ba1c80935655595b661505c8b39b664828b95"
+checksum = "0bf7fe51849ea569fd452f37822f606a5cabb684dc918707a0193fd4664ff324"
 dependencies = [
  "generic-array",
 ]
@@ -151,9 +151,9 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clang-sys"
-version = "1.3.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa66045b9cb23c2e9c1520732030608b02ee07e5cfaa5a521ec15ded7fa24c90"
+checksum = "4cc00842eed744b858222c4c9faf7243aafc6d33f92f96935263ef4d8a41ce21"
 dependencies = [
  "glob",
  "libc",
@@ -217,9 +217,9 @@ dependencies = [
 
 [[package]]
 name = "core-foundation"
-version = "0.9.2"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6888e10551bb93e424d8df1d07f1a8b4fceb0001a3a4b048bfc47554946f47b3"
+checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -299,9 +299,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.6"
+version = "0.9.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97242a70df9b89a65d0b6df3c4bf5b9ce03c5b7309019777fbde37e7537f8762"
+checksum = "c00d6d2ea26e8b151d99093005cb442fb9a37aeaca582a03ec70946f49ab5ed9"
 dependencies = [
  "cfg-if",
  "crossbeam-utils",
@@ -312,9 +312,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.6"
+version = "0.8.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfcae03edb34f947e64acdb1c33ec169824e20657e9ecb61cef6c8c74dcb8120"
+checksum = "b5e5bed1f1c269533fa816a0a5492b3545209a205ca1a54842be180eb63a16a6"
 dependencies = [
  "cfg-if",
  "lazy_static",
@@ -322,9 +322,9 @@ dependencies = [
 
 [[package]]
 name = "crypto-common"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "683d6b536309245c849479fba3da410962a43ed8e51c26b729208ec0ac2798d0"
+checksum = "a4600d695eb3f6ce1cd44e6e291adceb2cc3ab12f20a33777ecd0bf6eba34e06"
 dependencies = [
  "generic-array",
 ]
@@ -353,13 +353,12 @@ dependencies = [
 
 [[package]]
 name = "digest"
-version = "0.10.1"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b697d66081d42af4fba142d56918a3cb21dc8eb63372c6b85d14f44fb9c5979b"
+checksum = "8cb780dce4f9a8f5c087362b3a4595936b2019e7c8b30f2c3e9a7e94e6ae9837"
 dependencies = [
  "block-buffer",
  "crypto-common",
- "generic-array",
 ]
 
 [[package]]
@@ -467,9 +466,9 @@ checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
 [[package]]
 name = "httparse"
-version = "1.5.1"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acd94fdbe1d4ff688b67b04eee2e17bd50995534a61539e45adfefb45e5e5503"
+checksum = "9100414882e15fb7feccb4897e5f0ff0ff1ca7d1a86a23208ada4d7a18e6c6c4"
 
 [[package]]
 name = "humantime"
@@ -608,9 +607,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "libc"
-version = "0.2.116"
+version = "0.2.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "565dbd88872dbe4cc8a46e527f26483c1d1f7afa6b884a3bd6cd893d4f98da74"
+checksum = "e74d72e0f9b65b5b4ca49a346af3976df0f9c61d550727f349ecd559f251a26c"
 
 [[package]]
 name = "libloading"
@@ -1324,9 +1323,9 @@ dependencies = [
 
 [[package]]
 name = "security-framework"
-version = "2.6.0"
+version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fed7948b6c68acbb6e20c334f55ad635dc0f75506963de4464289fbd3b051ac"
+checksum = "2dc14f172faf8a0194a3aded622712b0de276821addc574fa54fc0a1167e10dc"
 dependencies = [
  "bitflags",
  "core-foundation",
@@ -1337,9 +1336,9 @@ dependencies = [
 
 [[package]]
 name = "security-framework-sys"
-version = "2.6.0"
+version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a57321bf8bc2362081b2599912d2961fe899c0efadf1b4b2f8d48b3e253bb96c"
+checksum = "0160a13a177a45bfb43ce71c01580998474f556ad854dcbca936dd2841a5c556"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -1347,9 +1346,9 @@ dependencies = [
 
 [[package]]
 name = "semver"
-version = "1.0.4"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "568a8e6258aa33c13358f81fd834adb854c6f7c9468520910a9b1e8fac068012"
+checksum = "0486718e92ec9a68fbed73bb5ef687d71103b142595b406835649bebd33f72c7"
 
 [[package]]
 name = "serde"
diff --git a/python/src/store.rs b/python/src/store.rs
index 45993ee8..2ae9af0c 100644
--- a/python/src/store.rs
+++ b/python/src/store.rs
@@ -518,6 +518,27 @@ impl PyStore {
         })
     }
 
+    /// Clears a graph from the store without removing it.
+    ///
+    /// :raises IOError: if an I/O error happens during the operation.
+    ///
+    /// >>> store = Store()
+    /// >>> store.add(Quad(NamedNode('http://example.com'), NamedNode('http://example.com/p'), Literal('1'), NamedNode('http://example.com/g')))
+    /// >>> store.clear_graph(NamedNode('http://example.com/g'))
+    /// >>> list(store)
+    /// []
+    /// >>> list(store.named_graphs())
+    /// [<NamedNode value=http://example.com/g>]
+    #[pyo3(text_signature = "($self, graph_name)")]
+    fn clear_graph(&self, graph_name: &PyAny, py: Python<'_>) -> PyResult<()> {
+        let graph_name = GraphName::from(&PyGraphNameRef::try_from(graph_name)?);
+        py.allow_threads(|| {
+            self.inner
+                .clear_graph(&graph_name)
+                .map_err(map_storage_error)
+        })
+    }
+
     /// Removes a graph from the store.
     ///
     /// The default graph will not be removed but just cleared.
@@ -527,9 +548,9 @@ impl PyStore {
     /// :raises IOError: if an I/O error happens during the named graph removal.
     ///
     /// >>> store = Store()
-    /// >>> quad = Quad(NamedNode('http://example.com'), NamedNode('http://example.com/p'), Literal('1'), NamedNode('http://example.com/g'))
+    /// >>> store.add(Quad(NamedNode('http://example.com'), NamedNode('http://example.com/p'), Literal('1'), NamedNode('http://example.com/g')))
     /// >>> store.remove_graph(NamedNode('http://example.com/g'))
-    /// >>> list(store)
+    /// >>> list(store.named_graphs())
     /// []
     #[pyo3(text_signature = "($self, graph_name)")]
     fn remove_graph(&self, graph_name: &PyAny, py: Python<'_>) -> PyResult<()> {
@@ -544,11 +565,46 @@ impl PyStore {
                     self.inner.remove_named_graph(&graph_name).map(|_| ())
                 }
             }
-            .map_err(map_storage_error)?;
-            Ok(())
+            .map_err(map_storage_error)
         })
     }
 
+    /// Clears the store by removing all its contents.
+    ///
+    /// :raises IOError: if an I/O error happens during the operation.
+    ///
+    /// >>> store = Store()
+    /// >>> store.add(Quad(NamedNode('http://example.com'), NamedNode('http://example.com/p'), Literal('1'), NamedNode('http://example.com/g')))
+    /// >>> store.clear()
+    /// >>> list(store)
+    /// []
+    /// >>> list(store.named_graphs())
+    /// []
+    #[pyo3(text_signature = "($self)")]
+    fn clear(&self, py: Python<'_>) -> PyResult<()> {
+        py.allow_threads(|| self.inner.clear().map_err(map_storage_error))
+    }
+
+    /// Flushes all buffers and ensures that all writes are saved on disk.
+    ///
+    /// Flushes are automatically done using background threads but might lag a little bit.
+    ///
+    /// :raises IOError: if an I/O error happens during the flush.
+    #[pyo3(text_signature = "($self)")]
+    fn flush(&self, py: Python<'_>) -> PyResult<()> {
+        py.allow_threads(|| self.inner.flush().map_err(map_storage_error))
+    }
+
+    /// Optimizes the database for future workload.
+    ///
+    /// Useful to call after a batch upload or another similar operation.
+    ///
+    /// :raises IOError: if an I/O error happens during the optimization.
+    #[pyo3(text_signature = "($self)")]
+    fn optimize(&self, py: Python<'_>) -> PyResult<()> {
+        py.allow_threads(|| self.inner.optimize().map_err(map_storage_error))
+    }
+
     /// Creates database backup into the `target_directory`.
     ///
     /// After its creation, the backup is usable using :py:class:`Store` constructor.