diff --git a/Cargo.lock b/Cargo.lock
index 084b8b91c..f2b44b544 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -144,9 +144,9 @@ checksum = "8f232d6ef707e1956a43342693d2a31e72989554d58299d7a88738cc95b0d35c"
 
 [[package]]
 name = "memoffset"
-version = "0.6.5"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
+checksum = "5a634b1c61a95585bd15607c6ab0c4e5b226e695ff2800ba0cdccddf208c406c"
 dependencies = [
  "autocfg",
 ]
@@ -191,9 +191,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3"
-version = "0.17.3"
+version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "268be0c73583c183f2b14052337465768c07726936a260f480f0857cb95ba543"
+checksum = "e681a6cfdc4adcc93b4d3cf993749a4552018ee0a9b65fc0ccfad74352c72a38"
 dependencies = [
  "anyhow",
  "cfg-if",
@@ -209,9 +209,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-build-config"
-version = "0.17.3"
+version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28fcd1e73f06ec85bf3280c48c67e731d8290ad3d730f8be9dc07946923005c8"
+checksum = "076c73d0bc438f7a4ef6fdd0c3bb4732149136abd952b110ac93e4edb13a6ba5"
 dependencies = [
  "once_cell",
  "target-lexicon",
@@ -219,9 +219,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-ffi"
-version = "0.17.3"
+version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f6cb136e222e49115b3c51c32792886defbfb0adead26a688142b346a0b9ffc"
+checksum = "e53cee42e77ebe256066ba8aa77eff722b3bb91f3419177cf4cd0f304d3284d9"
 dependencies = [
  "libc",
  "pyo3-build-config",
@@ -240,9 +240,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros"
-version = "0.17.3"
+version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "94144a1266e236b1c932682136dc35a9dee8d3589728f68130c7c3861ef96b28"
+checksum = "dfeb4c99597e136528c6dd7d5e3de5434d1ceaf487436a3f03b2d56b6fc9efd1"
 dependencies = [
  "proc-macro2",
  "pyo3-macros-backend",
@@ -252,9 +252,9 @@ dependencies = [
 
 [[package]]
 name = "pyo3-macros-backend"
-version = "0.17.3"
+version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8df9be978a2d2f0cdebabb03206ed73b11314701a5bfe71b0d753b81997777f"
+checksum = "947dc12175c254889edc0c02e399476c2f652b4b9ebd123aa655c224de259536"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -263,9 +263,9 @@ dependencies = [
 
 [[package]]
 name = "pythonize"
-version = "0.17.0"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f7f0c136f5fbc01868185eef462800e49659eb23acca83b9e884367a006acb6"
+checksum = "8e35b716d430ace57e2d1b4afb51c9e5b7c46d2bce72926e07f9be6a98ced03e"
 dependencies = [
  "pyo3",
  "serde",
diff --git a/changelog.d/16162.misc b/changelog.d/16162.misc
new file mode 100644
index 000000000..b6c77229c
--- /dev/null
+++ b/changelog.d/16162.misc
@@ -0,0 +1 @@
+Bump pyo3 from 0.17.1 to 0.19.2.
diff --git a/rust/Cargo.toml b/rust/Cargo.toml
index 26403d58c..f62da35a6 100644
--- a/rust/Cargo.toml
+++ b/rust/Cargo.toml
@@ -25,14 +25,14 @@ name = "synapse.synapse_rust"
 anyhow = "1.0.63"
 lazy_static = "1.4.0"
 log = "0.4.17"
-pyo3 = { version = "0.17.1", features = [
+pyo3 = { version = "0.19.2", features = [
     "macros",
     "anyhow",
     "abi3",
-    "abi3-py37",
+    "abi3-py38",
 ] }
 pyo3-log = "0.8.1"
-pythonize = "0.17.0"
+pythonize = "0.19.0"
 regex = "1.6.0"
 serde = { version = "1.0.144", features = ["derive"] }
 serde_json = "1.0.85"
diff --git a/rust/src/push/evaluator.rs b/rust/src/push/evaluator.rs
index 48e670478..3bde07552 100644
--- a/rust/src/push/evaluator.rs
+++ b/rust/src/push/evaluator.rs
@@ -105,6 +105,17 @@ impl PushRuleEvaluator {
     /// Create a new `PushRuleEvaluator`. See struct docstring for details.
     #[allow(clippy::too_many_arguments)]
     #[new]
+    #[pyo3(signature = (
+        flattened_keys,
+        has_mentions,
+        room_member_count,
+        sender_power_level,
+        notification_power_levels,
+        related_events_flattened,
+        related_event_match_enabled,
+        room_version_feature_flags,
+        msc3931_enabled,
+    ))]
     pub fn py_new(
         flattened_keys: BTreeMap<String, JsonValue>,
         has_mentions: bool,