diff --git a/docs/changelog/index.rst b/docs/changelog/index.rst
index 3e85255062..d460ef5ee8 100644
--- a/docs/changelog/index.rst
+++ b/docs/changelog/index.rst
@@ -7,6 +7,7 @@ Release Notes
 .. toctree::
    :maxdepth: 1
 
+   v1.5.3
    v1.5.2
    v1.5.1
    v1.5.0
diff --git a/docs/changelog/v1.5.3.rst b/docs/changelog/v1.5.3.rst
new file mode 100644
index 0000000000..d177a17b27
--- /dev/null
+++ b/docs/changelog/v1.5.3.rst
@@ -0,0 +1,10 @@
+.. _v1.5.3:
+
+1.5.3
+=====
+
+Fixes
+.....
+
+* Fixed not processing multiple PDUs received when acting as the association
+  requestor with SSL/TLS (:pr:`528`)
diff --git a/pynetdicom/_version.py b/pynetdicom/_version.py
index 409223e91b..d17073d0dd 100644
--- a/pynetdicom/_version.py
+++ b/pynetdicom/_version.py
@@ -10,7 +10,7 @@
 import re
 
 
-__version__ = '1.5.2'
+__version__ = '1.5.3'
 
 
 VERSION_PATTERN = r"""
diff --git a/pynetdicom/transport.py b/pynetdicom/transport.py
index 359f50c2d1..efab73cfa0 100644
--- a/pynetdicom/transport.py
+++ b/pynetdicom/transport.py
@@ -276,6 +276,11 @@ def ready(self):
             self.event_queue.put('Evt17')
             return False
 
+        # An SSLSocket may have buffered data available that `select`
+        # is unaware of - see #528
+        if _HAS_SSL and isinstance(self.socket, ssl.SSLSocket):
+            return bool(ready) or bool(self.socket.pending())
+
         return bool(ready)
 
     def recv(self, nr_bytes):