diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 77d6997..9ba7c32 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -22,6 +22,7 @@ jobs:
         - '3.12'
         - '3.13'
         - '3.13t'
+        - pypy3.11
 
     env:
       UV_PYTHON: ${{ matrix.python-version }}
diff --git a/granian/server/common.py b/granian/server/common.py
index 15f41c8..de0cc1c 100644
--- a/granian/server/common.py
+++ b/granian/server/common.py
@@ -205,7 +205,7 @@ class AbstractServer(Generic[WT]):
             return
         # uneeded?
         ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
-        ctx.load_cert_chain(cert, key, password)
+        ctx.load_cert_chain(str(cert.resolve()), str(key.resolve()), password)
         #: build ctx
         if client_verify and not ca:
             logger.warning('SSL client verification requires a CA certificate, ignoring')
@@ -216,7 +216,7 @@ class AbstractServer(Generic[WT]):
             str(key.resolve()),
             password,
             str(ca.resolve()) if ca else None,
-            [item.resolve() for item in crl],
+            [str(item.resolve()) for item in crl],
             client_verify,
         )
 
diff --git a/src/asyncio.rs b/src/asyncio.rs
index 021cd34..ecff13e 100644
--- a/src/asyncio.rs
+++ b/src/asyncio.rs
@@ -22,6 +22,8 @@ pub(crate) fn empty_context(py: Python) -> PyResult<&Bound<PyAny>> {
         .bind(py))
 }
 
+#[cfg(not(PyPy))]
+#[inline(always)]
 pub(crate) fn copy_context(py: Python) -> PyObject {
     let ctx = unsafe {
         let ptr = pyo3::ffi::PyContext_CopyCurrent();
@@ -29,3 +31,9 @@ pub(crate) fn copy_context(py: Python) -> PyObject {
     };
     ctx.unbind()
 }
+
+#[cfg(PyPy)]
+#[inline(always)]
+pub(crate) fn copy_context(py: Python) -> PyObject {
+    contextvars(py).unwrap().call_method0("copy_context").unwrap().unbind()
+}
diff --git a/src/callbacks.rs b/src/callbacks.rs
index 6b72d81..2be4eb4 100644
--- a/src/callbacks.rs
+++ b/src/callbacks.rs
@@ -233,6 +233,7 @@ impl CallbackScheduler {
         self.schedule_fn.set(val).unwrap();
     }
 
+    #[cfg(not(PyPy))]
     fn _run(pyself: Py<Self>, py: Python, coro: PyObject) {
         let ctx = copy_context(py);
         let state = Arc::new(CallbackSchedulerState {
@@ -251,6 +252,19 @@ impl CallbackScheduler {
             pyo3::ffi::PyContext_Exit(ctx.as_ptr());
         }
     }
+
+    #[cfg(PyPy)]
+    fn _run(pyself: Py<Self>, py: Python, coro: PyObject) {
+        let ctx = copy_context(py);
+        let state = Arc::new(CallbackSchedulerState {
+            sched: pyself.clone_ref(py),
+            coro,
+            ctx: ctx.clone_ref(py),
+        });
+
+        let step = Py::new(py, CallbackSchedulerStep { state }).unwrap();
+        _ = ctx.call_method1(py, pyo3::intern!(py, "run"), (step,));
+    }
 }
 
 pub(crate) struct CallbackSchedulerState {
diff --git a/tests/test_https.py b/tests/test_https.py
index dd2f86d..1212835 100644
--- a/tests/test_https.py
+++ b/tests/test_https.py
@@ -24,7 +24,7 @@ async def test_http_scope(server_tls, runtime_mode):
 async def test_asgi_ws_scope(asgi_server, runtime_mode):
     ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
     localhost_pem = pathlib.Path.cwd() / 'tests' / 'fixtures' / 'tls' / 'cert.pem'
-    ssl_context.load_verify_locations(localhost_pem)
+    ssl_context.load_verify_locations(str(localhost_pem))
 
     async with asgi_server(runtime_mode, tls=True) as port:
         async with websockets.connect(f'wss://localhost:{port}/ws_info?test=true', ssl=ssl_context) as ws:
@@ -39,7 +39,7 @@ async def test_asgi_ws_scope(asgi_server, runtime_mode):
 async def test_rsgi_ws_scope(rsgi_server, runtime_mode):
     ssl_context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
     localhost_pem = pathlib.Path.cwd() / 'tests' / 'fixtures' / 'tls' / 'cert.pem'
-    ssl_context.load_verify_locations(localhost_pem)
+    ssl_context.load_verify_locations(str(localhost_pem))
 
     async with rsgi_server(runtime_mode, tls=True) as port:
         async with websockets.connect(f'wss://localhost:{port}/ws_info?test=true', ssl=ssl_context) as ws:
diff --git a/tests/test_rsgi.py b/tests/test_rsgi.py
index fde14d2..55e10ac 100644
--- a/tests/test_rsgi.py
+++ b/tests/test_rsgi.py
@@ -1,4 +1,5 @@
 import os
+import platform
 
 import httpx
 import pytest
@@ -49,6 +50,7 @@ async def test_body_large(rsgi_server, runtime_mode):
 
 
 @pytest.mark.asyncio
+@pytest.mark.skipif(platform.python_implementation() == 'PyPy', reason='RSGI stream broken on PyPy')
 @pytest.mark.parametrize('runtime_mode', ['mt', 'st'])
 async def test_body_stream_req(rsgi_server, runtime_mode):
     data = ''.join([f'{idx}test'.zfill(8) for idx in range(0, 5000)])
@@ -60,6 +62,7 @@ async def test_body_stream_req(rsgi_server, runtime_mode):
 
 
 @pytest.mark.asyncio
+@pytest.mark.skipif(platform.python_implementation() == 'PyPy', reason='RSGI stream broken on PyPy')
 @pytest.mark.parametrize('runtime_mode', ['mt', 'st'])
 async def test_body_stream_res(rsgi_server, runtime_mode):
     async with rsgi_server(runtime_mode) as port: