diff --git a/Cargo.toml b/Cargo.toml
index 8f82201d1..1d54a3f1b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ tower-service = "0.3"
 # tls is enabled by default, we don't want that yet
 tokio-tungstenite = { version = "0.10", default-features = false, optional = true }
 urlencoding = "1.0.0"
-pin-project = "0.4.5"
+pin-project = "0.4.17"
 tokio-rustls = { version = "0.13.1", optional = true }
 
 [dev-dependencies]
diff --git a/src/filter/and.rs b/src/filter/and.rs
index 96973ad86..3280cf8e5 100644
--- a/src/filter/and.rs
+++ b/src/filter/and.rs
@@ -3,7 +3,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use futures::ready;
-use pin_project::{pin_project, project};
+use pin_project::pin_project;
 
 use super::{Combine, Filter, FilterBase, HList, Internal, Tuple};
 use crate::reject::CombineRejection;
@@ -41,7 +41,7 @@ pub struct AndFuture<T: Filter, U: Filter> {
     state: State<T, U>,
 }
 
-#[pin_project]
+#[pin_project(project = StateProj)]
 enum State<T: Filter, U: Filter> {
     First(#[pin] T::Future, U),
     Second(Option<T::Extract>, #[pin] U::Future),
@@ -59,17 +59,15 @@ where
             <<<T::Extract as Tuple>::HList as Combine<<U::Extract as Tuple>::HList>>::Output as HList>::Tuple,
         <U::Error as CombineRejection<T::Error>>::One>;
 
-    #[project]
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
         loop {
             let pin = self.as_mut().project();
-            #[project]
             let (ex1, fut2) = match pin.state.project() {
-                State::First(first, second) => match ready!(first.poll(cx)) {
+                StateProj::First(first, second) => match ready!(first.poll(cx)) {
                     Ok(first) => (first, second.filter(Internal)),
                     Err(err) => return Poll::Ready(Err(From::from(err))),
                 },
-                State::Second(ex1, second) => {
+                StateProj::Second(ex1, second) => {
                     let ex2 = match ready!(second.poll(cx)) {
                         Ok(second) => second,
                         Err(err) => return Poll::Ready(Err(From::from(err))),
@@ -78,7 +76,7 @@ where
                     self.set(AndFuture { state: State::Done });
                     return Poll::Ready(Ok(ex3));
                 }
-                State::Done => panic!("polled after complete"),
+                StateProj::Done => panic!("polled after complete"),
             };
 
             self.set(AndFuture {
diff --git a/src/filter/and_then.rs b/src/filter/and_then.rs
index 535053c17..1030a7f69 100644
--- a/src/filter/and_then.rs
+++ b/src/filter/and_then.rs
@@ -3,7 +3,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use futures::{ready, TryFuture};
-use pin_project::{pin_project, project};
+use pin_project::pin_project;
 
 use super::{Filter, FilterBase, Func, Internal};
 use crate::reject::CombineRejection;
@@ -45,7 +45,7 @@ where
     state: State<T, F>,
 }
 
-#[pin_project]
+#[pin_project(project = StateProj)]
 enum State<T, F>
 where
     T: Filter,
@@ -70,17 +70,15 @@ where
         <<F::Output as TryFuture>::Error as CombineRejection<T::Error>>::One,
     >;
 
-    #[project]
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
         loop {
             let pin = self.as_mut().project();
-            #[project]
             let (ex1, second) = match pin.state.project() {
-                State::First(first, second) => match ready!(first.try_poll(cx)) {
+                StateProj::First(first, second) => match ready!(first.try_poll(cx)) {
                     Ok(first) => (first, second),
                     Err(err) => return Poll::Ready(Err(From::from(err))),
                 },
-                State::Second(second) => {
+                StateProj::Second(second) => {
                     let ex3 = match ready!(second.try_poll(cx)) {
                         Ok(item) => Ok((item,)),
                         Err(err) => Err(From::from(err)),
@@ -88,7 +86,7 @@ where
                     self.set(AndThenFuture { state: State::Done });
                     return Poll::Ready(ex3);
                 }
-                State::Done => panic!("polled after complete"),
+                StateProj::Done => panic!("polled after complete"),
             };
             let fut2 = second.call(ex1);
             self.set(AndThenFuture {
diff --git a/src/filter/or.rs b/src/filter/or.rs
index b09128220..860656f25 100644
--- a/src/filter/or.rs
+++ b/src/filter/or.rs
@@ -3,7 +3,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use futures::{ready, TryFuture};
-use pin_project::{pin_project, project};
+use pin_project::pin_project;
 
 use super::{Filter, FilterBase, Internal};
 use crate::generic::Either;
@@ -46,7 +46,7 @@ pub struct EitherFuture<T: Filter, U: Filter> {
     original_path_index: PathIndex,
 }
 
-#[pin_project]
+#[pin_project(project = StateProj)]
 enum State<T: Filter, U: Filter> {
     First(#[pin] T::Future, U),
     Second(Option<T::Error>, #[pin] U::Future),
@@ -70,13 +70,11 @@ where
 {
     type Output = Result<(Either<T::Extract, U::Extract>,), Combined<U::Error, T::Error>>;
 
-    #[project]
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
         loop {
             let pin = self.as_mut().project();
-            #[project]
             let (err1, fut2) = match pin.state.project() {
-                State::First(first, second) => match ready!(first.try_poll(cx)) {
+                StateProj::First(first, second) => match ready!(first.try_poll(cx)) {
                     Ok(ex1) => {
                         return Poll::Ready(Ok((Either::A(ex1),)));
                     }
@@ -85,7 +83,7 @@ where
                         (e, second.filter(Internal))
                     }
                 },
-                State::Second(err1, second) => {
+                StateProj::Second(err1, second) => {
                     let ex2 = match ready!(second.try_poll(cx)) {
                         Ok(ex2) => Ok((Either::B(ex2),)),
                         Err(e) => {
@@ -100,7 +98,7 @@ where
                     });
                     return Poll::Ready(ex2);
                 }
-                State::Done => panic!("polled after complete"),
+                StateProj::Done => panic!("polled after complete"),
             };
 
             self.set(EitherFuture {
diff --git a/src/filter/or_else.rs b/src/filter/or_else.rs
index da43ea0ea..06fc53d7e 100644
--- a/src/filter/or_else.rs
+++ b/src/filter/or_else.rs
@@ -3,7 +3,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use futures::{ready, TryFuture};
-use pin_project::{pin_project, project};
+use pin_project::pin_project;
 
 use super::{Filter, FilterBase, Func, Internal};
 use crate::reject::IsReject;
@@ -48,7 +48,7 @@ where
     original_path_index: PathIndex,
 }
 
-#[pin_project]
+#[pin_project(project = StateProj)]
 enum State<T, F>
 where
     T: Filter,
@@ -77,17 +77,15 @@ where
 {
     type Output = Result<<F::Output as TryFuture>::Ok, <F::Output as TryFuture>::Error>;
 
-    #[project]
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
         loop {
             let pin = self.as_mut().project();
-            #[project]
             let (err, second) = match pin.state.project() {
-                State::First(first, second) => match ready!(first.try_poll(cx)) {
+                StateProj::First(first, second) => match ready!(first.try_poll(cx)) {
                     Ok(ex) => return Poll::Ready(Ok(ex)),
                     Err(err) => (err, second),
                 },
-                State::Second(second) => {
+                StateProj::Second(second) => {
                     let ex2 = ready!(second.try_poll(cx));
                     self.set(OrElseFuture {
                         state: State::Done,
@@ -95,7 +93,7 @@ where
                     });
                     return Poll::Ready(ex2);
                 }
-                State::Done => panic!("polled after complete"),
+                StateProj::Done => panic!("polled after complete"),
             };
 
             pin.original_path_index.reset_path();
diff --git a/src/filter/recover.rs b/src/filter/recover.rs
index 7f9108105..e319b2c4f 100644
--- a/src/filter/recover.rs
+++ b/src/filter/recover.rs
@@ -3,7 +3,7 @@ use std::pin::Pin;
 use std::task::{Context, Poll};
 
 use futures::{ready, TryFuture};
-use pin_project::{pin_project, project};
+use pin_project::pin_project;
 
 use super::{Filter, FilterBase, Func, Internal};
 use crate::generic::Either;
@@ -50,7 +50,7 @@ where
     original_path_index: PathIndex,
 }
 
-#[pin_project]
+#[pin_project(project = StateProj)]
 enum State<T, F>
 where
     T: Filter,
@@ -84,17 +84,15 @@ where
         <F::Output as TryFuture>::Error,
     >;
 
-    #[project]
     fn poll(mut self: Pin<&mut Self>, cx: &mut Context) -> Poll<Self::Output> {
         loop {
             let pin = self.as_mut().project();
-            #[project]
             let (err, second) = match pin.state.project() {
-                State::First(first, second) => match ready!(first.try_poll(cx)) {
+                StateProj::First(first, second) => match ready!(first.try_poll(cx)) {
                     Ok(ex) => return Poll::Ready(Ok((Either::A(ex),))),
                     Err(err) => (err, second),
                 },
-                State::Second(second) => {
+                StateProj::Second(second) => {
                     let ex2 = match ready!(second.try_poll(cx)) {
                         Ok(ex2) => Ok((Either::B((ex2,)),)),
                         Err(e) => Err(e),
@@ -105,7 +103,7 @@ where
                     });
                     return Poll::Ready(ex2);
                 }
-                State::Done => panic!("polled after complete"),
+                StateProj::Done => panic!("polled after complete"),
             };
 
             pin.original_path_index.reset_path();