diff --git a/Cargo.toml b/Cargo.toml
index e5f5ad96..246895c8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,12 +15,12 @@ exclude = ["fuzz/"]
 crate-type = ["cdylib", "rlib"]
 
 [build-dependencies]
-pyo3-build-config = "0.18.0"
+pyo3-build-config = "0.19.0"
 
 [dependencies]
 libc = "0.2.104"
 log = {version = "0.4.17", optional = true }
-pyo3 = {version = "0.18.0", features=["extension-module", "abi3-py37"], optional = true }
+pyo3 = {version = "0.19.0", features=["extension-module", "abi3-py37"], optional = true }
 
 # Common test/bench dependencies
 [dev-dependencies]
@@ -42,6 +42,7 @@ comfy-table = "6.1.0"
 io-uring = "0.5.1"
 
 [features]
+# This feature is still experimental, and is not considered stable
 python = ["pyo3"]
 # Enables log messages
 logging = ["log"]