diff --git a/Cargo.toml b/Cargo.toml
index ebdabcd9..2ea00cab 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ repository = "https://gitlab.com/famedly/conduit"
 version = "0.11.0-alpha"
 
 # See also `rust-toolchain.toml`
-rust-version = "1.83.0"
+rust-version = "1.85.0"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/flake.nix b/flake.nix
index ddf9d526..d9653c8f 100644
--- a/flake.nix
+++ b/flake.nix
@@ -59,7 +59,7 @@
             file = ./rust-toolchain.toml;
 
             # See also `rust-toolchain.toml`
-            sha256 = "sha256-s1RPtyvDGJaX/BisLT+ifVfuhDT1nZkZ1NcK8sbwELM=";
+            sha256 = "sha256-AJ6LX/Q/Er9kS15bn9iflkUwcgYqRQxiOIL2ToVAXaU=";
           };
       });
     in
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index c5259d2a..2d003223 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -9,7 +9,7 @@
 # If you're having trouble making the relevant changes, bug a maintainer.
 
 [toolchain]
-channel = "1.83.0"
+channel = "1.85.0"
 components = [
   # For rust-analyzer
   "rust-src",
diff --git a/src/api/client_server/membership.rs b/src/api/client_server/membership.rs
index 84bd0a69..78584c22 100644
--- a/src/api/client_server/membership.rs
+++ b/src/api/client_server/membership.rs
@@ -656,7 +656,7 @@ pub async fn joined_members_route(
     Ok(joined_members::v3::Response { joined })
 }
 
-pub(crate) async fn invite_helper<'a>(
+pub(crate) async fn invite_helper(
     sender_user: &UserId,
     user_id: &UserId,
     room_id: &RoomId,
diff --git a/src/api/client_server/session.rs b/src/api/client_server/session.rs
index 07078328..581867dc 100644
--- a/src/api/client_server/session.rs
+++ b/src/api/client_server/session.rs
@@ -182,11 +182,11 @@ pub async fn login_route(body: Ruma<login::v3::Request>) -> Result<login::v3::Re
     let token = utils::random_string(TOKEN_LENGTH);
 
     // Determine if device_id was provided and exists in the db for this user
-    let device_exists = body.device_id.as_ref().map_or(false, |device_id| {
+    let device_exists = body.device_id.as_ref().is_some_and(|device_id| {
         services()
             .users
             .all_device_ids(&user_id)
-            .any(|x| x.as_ref().map_or(false, |v| v == device_id))
+            .any(|x| x.as_ref().is_ok_and(|v| v == device_id))
     });
 
     if device_exists {
diff --git a/src/api/client_server/sync.rs b/src/api/client_server/sync.rs
index 9259d8d9..50a1cb81 100644
--- a/src/api/client_server/sync.rs
+++ b/src/api/client_server/sync.rs
@@ -818,8 +818,8 @@ async fn load_joined_room(
                         .ok()
                 });
 
-            let joined_since_last_sync = since_sender_member
-                .map_or(true, |member| member.membership != MembershipState::Join);
+            let joined_since_last_sync =
+                since_sender_member.is_none_or(|member| member.membership != MembershipState::Join);
 
             if since_shortstatehash.is_none() || joined_since_last_sync {
                 // Probably since = 0, we will do an initial sync
@@ -1402,7 +1402,7 @@ pub async fn sync_events_v5_route(
                 )?;
 
                 let joined_since_last_sync = since_sender_member
-                    .map_or(true, |member| member.membership != MembershipState::Join);
+                    .is_none_or(|member| member.membership != MembershipState::Join);
 
                 let new_encrypted_room = encrypted_room && since_encryption.is_none();
                 if encrypted_room {
diff --git a/src/api/client_server/user_directory.rs b/src/api/client_server/user_directory.rs
index 5447882e..2c7a9c71 100644
--- a/src/api/client_server/user_directory.rs
+++ b/src/api/client_server/user_directory.rs
@@ -61,12 +61,11 @@ pub async fn search_users_route(
                     .rooms
                     .state_accessor
                     .room_state_get(&room, &StateEventType::RoomJoinRules, "")
-                    .map_or(false, |event| {
-                        event.map_or(false, |event| {
-                            serde_json::from_str(event.content.get())
-                                .map_or(false, |r: RoomJoinRulesEventContent| {
-                                    r.join_rule == JoinRule::Public
-                                })
+                    .is_ok_and(|event| {
+                        event.is_some_and(|event| {
+                            serde_json::from_str(event.content.get()).is_ok_and(
+                                |r: RoomJoinRulesEventContent| r.join_rule == JoinRule::Public,
+                            )
                         })
                     })
             });
diff --git a/src/database/key_value/pusher.rs b/src/database/key_value/pusher.rs
index 50a6faca..5148ccb0 100644
--- a/src/database/key_value/pusher.rs
+++ b/src/database/key_value/pusher.rs
@@ -22,10 +22,7 @@ impl service::pusher::Data for KeyValueDatabase {
                 let mut key = sender.as_bytes().to_vec();
                 key.push(0xff);
                 key.extend_from_slice(ids.pushkey.as_bytes());
-                self.senderkey_pusher
-                    .remove(&key)
-                    .map(|_| ())
-                    .map_err(Into::into)
+                self.senderkey_pusher.remove(&key).map(|_| ())
             }
         }
     }
diff --git a/src/database/key_value/rooms/state_cache.rs b/src/database/key_value/rooms/state_cache.rs
index 689ff7cd..f439f5f3 100644
--- a/src/database/key_value/rooms/state_cache.rs
+++ b/src/database/key_value/rooms/state_cache.rs
@@ -221,9 +221,9 @@ impl service::rooms::state_cache::Data for KeyValueDatabase {
             .ok();
 
             let in_room = bridge_user_id
-                .map_or(false, |id| self.is_joined(&id, room_id).unwrap_or(false))
+                .is_some_and(|id| self.is_joined(&id, room_id).unwrap_or(false))
                 || self.room_members(room_id).any(|userid| {
-                    userid.map_or(false, |userid| appservice.users.is_match(userid.as_str()))
+                    userid.is_ok_and(|userid| appservice.users.is_match(userid.as_str()))
                 });
 
             self.appservice_in_room_cache
@@ -273,7 +273,7 @@ impl service::rooms::state_cache::Data for KeyValueDatabase {
     }
 
     #[tracing::instrument(skip(self))]
-    fn server_in_room<'a>(&'a self, server: &ServerName, room_id: &RoomId) -> Result<bool> {
+    fn server_in_room(&self, server: &ServerName, room_id: &RoomId) -> Result<bool> {
         let mut key = server.as_bytes().to_vec();
         key.push(0xff);
         key.extend_from_slice(room_id.as_bytes());
diff --git a/src/database/mod.rs b/src/database/mod.rs
index d2fb3267..ae477856 100644
--- a/src/database/mod.rs
+++ b/src/database/mod.rs
@@ -491,7 +491,7 @@ impl KeyValueDatabase {
                 for (userid, password) in db.userid_password.iter() {
                     let password = utils::string_from_bytes(&password);
 
-                    let empty_hashed_password = password.map_or(false, |password| {
+                    let empty_hashed_password = password.is_ok_and(|password| {
                         argon2::verify_encoded(&password, b"").unwrap_or(false)
                     });
 
diff --git a/src/service/rooms/pdu_metadata/mod.rs b/src/service/rooms/pdu_metadata/mod.rs
index 5ffe8846..13fe7c3f 100644
--- a/src/service/rooms/pdu_metadata/mod.rs
+++ b/src/service/rooms/pdu_metadata/mod.rs
@@ -87,13 +87,13 @@ impl Service {
                 let events_after: Vec<_> = relations_until // TODO: should be relations_after
                     .iter()
                     .filter(|(_, pdu)| {
-                        filter_event_type.as_ref().map_or(true, |t| &pdu.kind == t)
+                        filter_event_type.as_ref().is_none_or(|t| &pdu.kind == t)
                             && if let Ok(content) =
                                 serde_json::from_str::<ExtractRelatesToEventId>(pdu.content.get())
                             {
                                 filter_rel_type
                                     .as_ref()
-                                    .map_or(true, |r| &content.relates_to.rel_type == r)
+                                    .is_none_or(|r| &content.relates_to.rel_type == r)
                             } else {
                                 false
                             }
@@ -135,13 +135,13 @@ impl Service {
                 let events_before: Vec<_> = relations_until
                     .iter()
                     .filter(|(_, pdu)| {
-                        filter_event_type.as_ref().map_or(true, |t| &pdu.kind == t)
+                        filter_event_type.as_ref().is_none_or(|t| &pdu.kind == t)
                             && if let Ok(content) =
                                 serde_json::from_str::<ExtractRelatesToEventId>(pdu.content.get())
                             {
                                 filter_rel_type
                                     .as_ref()
-                                    .map_or(true, |r| &content.relates_to.rel_type == r)
+                                    .is_none_or(|r| &content.relates_to.rel_type == r)
                             } else {
                                 false
                             }
diff --git a/src/service/rooms/search/mod.rs b/src/service/rooms/search/mod.rs
index 3b9de19f..aff9a31c 100644
--- a/src/service/rooms/search/mod.rs
+++ b/src/service/rooms/search/mod.rs
@@ -11,17 +11,12 @@ pub struct Service {
 
 impl Service {
     #[tracing::instrument(skip(self))]
-    pub fn index_pdu<'a>(&self, shortroomid: u64, pdu_id: &[u8], message_body: &str) -> Result<()> {
+    pub fn index_pdu(&self, shortroomid: u64, pdu_id: &[u8], message_body: &str) -> Result<()> {
         self.db.index_pdu(shortroomid, pdu_id, message_body)
     }
 
     #[tracing::instrument(skip(self))]
-    pub fn deindex_pdu<'a>(
-        &self,
-        shortroomid: u64,
-        pdu_id: &[u8],
-        message_body: &str,
-    ) -> Result<()> {
+    pub fn deindex_pdu(&self, shortroomid: u64, pdu_id: &[u8], message_body: &str) -> Result<()> {
         self.db.deindex_pdu(shortroomid, pdu_id, message_body)
     }
 
diff --git a/src/service/rooms/spaces/mod.rs b/src/service/rooms/spaces/mod.rs
index abd8f950..f8e294da 100644
--- a/src/service/rooms/spaces/mod.rs
+++ b/src/service/rooms/spaces/mod.rs
@@ -629,7 +629,7 @@ fn next_room_to_traverse(
     stack: &mut Vec<Vec<(OwnedRoomId, Vec<OwnedServerName>)>>,
     parents: &mut VecDeque<OwnedRoomId>,
 ) -> Option<(OwnedRoomId, Vec<OwnedServerName>)> {
-    while stack.last().map_or(false, |s| s.is_empty()) {
+    while stack.last().is_some_and(|s| s.is_empty()) {
         stack.pop();
         parents.pop_back();
     }
@@ -663,7 +663,7 @@ async fn get_stripped_space_child_events(
             if serde_json::from_str::<SpaceChildEventContent>(pdu.content.get())
                 .ok()
                 .map(|c| c.via)
-                .map_or(true, |v| v.is_empty())
+                .is_none_or(|v| v.is_empty())
             {
                 continue;
             }
diff --git a/src/service/rooms/state_cache/mod.rs b/src/service/rooms/state_cache/mod.rs
index 5cfd9738..b24d5b33 100644
--- a/src/service/rooms/state_cache/mod.rs
+++ b/src/service/rooms/state_cache/mod.rs
@@ -171,7 +171,7 @@ impl Service {
                         })
                     })
                     .transpose()?
-                    .map_or(false, |ignored| {
+                    .is_some_and(|ignored| {
                         ignored
                             .content
                             .ignored_users
@@ -236,7 +236,7 @@ impl Service {
     }
 
     #[tracing::instrument(skip(self))]
-    pub fn server_in_room<'a>(&'a self, server: &ServerName, room_id: &RoomId) -> Result<bool> {
+    pub fn server_in_room(&self, server: &ServerName, room_id: &RoomId) -> Result<bool> {
         self.db.server_in_room(server, room_id)
     }
 
diff --git a/src/service/rooms/timeline/mod.rs b/src/service/rooms/timeline/mod.rs
index cc30d2c9..32144f7d 100644
--- a/src/service/rooms/timeline/mod.rs
+++ b/src/service/rooms/timeline/mod.rs
@@ -199,7 +199,7 @@ impl Service {
     ///
     /// Returns pdu id
     #[tracing::instrument(skip(self, pdu, pdu_json, leaves))]
-    pub async fn append_pdu<'a>(
+    pub async fn append_pdu(
         &self,
         pdu: &PduEvent,
         mut pdu_json: CanonicalJsonObject,
@@ -612,8 +612,8 @@ impl Service {
                 services().globals.server_name() == pdu.sender.server_name()
                     && appservice.is_user_match(&pdu.sender)
                     || pdu.kind == TimelineEventType::RoomMember
-                        && pdu.state_key.as_ref().map_or(false, |state_key| {
-                            UserId::parse(state_key).map_or(false, |user_id| {
+                        && pdu.state_key.as_ref().is_some_and(|state_key| {
+                            UserId::parse(state_key).is_ok_and(|user_id| {
                                 services().globals.server_name() == user_id.server_name()
                                     && appservice.is_user_match(&user_id)
                             })
@@ -633,8 +633,8 @@ impl Service {
                         "",
                     ) {
                         serde_json::from_str::<RoomCanonicalAliasEventContent>(pdu.content.get())
-                            .map_or(false, |content| {
-                                content.alias.map_or(false, |alias| {
+                            .is_ok_and(|content| {
+                                content.alias.is_some_and(|alias| {
                                     appservice.aliases.is_match(alias.as_str())
                                 }) || content
                                     .alt_aliases
@@ -1044,7 +1044,7 @@ impl Service {
     /// Append the incoming event setting the state snapshot to the state from the
     /// server that sent the event.
     #[tracing::instrument(skip_all)]
-    pub async fn append_incoming_pdu<'a>(
+    pub async fn append_incoming_pdu(
         &self,
         pdu: &PduEvent,
         pdu_json: CanonicalJsonObject,