diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f544e9..9a75937 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+# 0.4.0-beta.3
+
+- support for third-party blocks
+- biscuit-rust 6.0.0
+
 # 0.4.0-beta.2
  
 - pre-built wheels for python 3.9-3.13
diff --git a/Cargo.lock b/Cargo.lock
index b557bbc..fa4e6d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -58,9 +58,9 @@ checksum = "8c3c1a368f70d6cf7302d78f8f7093da241fb8e8807c05cc9e51a125895a6d5b"
 
 [[package]]
 name = "biscuit-auth"
-version = "6.0.0-beta.3"
+version = "6.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "336ffc076d302968607866acb85378ed77066289ce1868aa7770c0f3f6e83e5c"
+checksum = "d5884fc86b3e21f5649ef4326e17ef729b3096e6502deaf13db7b7fb05bb992b"
 dependencies = [
  "base64",
  "biscuit-parser",
@@ -87,9 +87,9 @@ dependencies = [
 
 [[package]]
 name = "biscuit-parser"
-version = "0.2.0-beta.1"
+version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a6f2eb85dcc822200621ce077b9382453d28ddd6a55e7a97bdb592370d2d440"
+checksum = "9d7cafdbc8c30e1f0fb87df7161bec77f6f00da652cc33f102b0f95bd1cbc0fa"
 dependencies = [
  "hex",
  "nom",
@@ -101,7 +101,7 @@ dependencies = [
 
 [[package]]
 name = "biscuit-python"
-version = "0.4.0-beta.2"
+version = "0.4.0-beta.3"
 dependencies = [
  "base64",
  "biscuit-auth",
@@ -112,9 +112,9 @@ dependencies = [
 
 [[package]]
 name = "biscuit-quote"
-version = "0.3.0-beta.1"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12c624b1cf44110708a62b63341b17c37c33fcdd3cce89b501a115af3454dcf8"
+checksum = "49d2332c742a07a846f1fb2760e58a0ee60f2bc30987046fcea816b40630335a"
 dependencies = [
  "biscuit-parser",
  "proc-macro-error2",
diff --git a/Cargo.toml b/Cargo.toml
index 1984216..ca6d3c9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "biscuit-python"
-version = "0.4.0-beta.2"
+version = "0.4.0-beta.3"
 edition = "2021"
 
 [lib]
@@ -8,7 +8,7 @@ name = "biscuit_auth"
 crate-type = ["cdylib"]
 
 [dependencies]
-biscuit-auth = { version = "6.0.0-beta.3", features = ["pem"] }
+biscuit-auth = { version = "6.0.0", features = ["pem"] }
 pyo3 = { version = "0.24.1", features = ["extension-module", "chrono"] }
 hex = "0.4"
 base64 = "0.13.0"
diff --git a/biscuit_auth.pyi b/biscuit_auth.pyi
index cb21d30..845cf58 100644
--- a/biscuit_auth.pyi
+++ b/biscuit_auth.pyi
@@ -626,6 +626,7 @@ class UnverifiedBiscuit:
     def revocation_ids(self) -> List[str]: ...
     def verify(self, root: PublicKey) -> Biscuit: ...
 
+# Third party block request
 class ThirdPartyRequest:
     # Create a third-party block
     #
@@ -643,5 +644,6 @@ class ThirdPartyRequest:
         block: BlockBuilder
     ) -> ThirdPartyBlock: ...
 
+# Third party block contents
 class ThirdPartyBlock:
     pass
diff --git a/src/lib.rs b/src/lib.rs
index 2bdb8a4..89de5ec 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1065,6 +1065,7 @@ impl PyBlockBuilder {
     }
 }
 
+/// Third party block request
 #[pyclass(name = "ThirdPartyRequest")]
 pub struct PyThirdPartyRequest(Option<ThirdPartyRequest>);
 
@@ -1097,6 +1098,7 @@ impl PyThirdPartyRequest {
     }
 }
 
+/// Third party block contents
 #[pyclass(name = "ThirdPartyBlock")]
 pub struct PyThirdPartyBlock(ThirdPartyBlock);
 
@@ -1706,6 +1708,8 @@ pub fn biscuit_auth(py: Python, m: &Bound<PyModule>) -> PyResult<()> {
     m.add_class::<PyPolicy>()?;
     m.add_class::<PyUnverifiedBiscuit>()?;
     m.add_class::<PyAlgorithm>()?;
+    m.add_class::<PyThirdPartyRequest>()?;
+    m.add_class::<PyThirdPartyBlock>()?;
 
     m.add("DataLogError", py.get_type::<DataLogError>())?;
     m.add("AuthorizationError", py.get_type::<AuthorizationError>())?;