diff --git a/docs/api-docs/slack_bolt/adapter/pyramid/handler.html b/docs/api-docs/slack_bolt/adapter/pyramid/handler.html
index 44b8ee923..90c065277 100644
--- a/docs/api-docs/slack_bolt/adapter/pyramid/handler.html
+++ b/docs/api-docs/slack_bolt/adapter/pyramid/handler.html
@@ -73,17 +73,37 @@ <h1 class="title">Module <code>slack_bolt.adapter.pyramid.handler</code></h1>
             if self.app.oauth_flow is not None:
                 oauth_flow: OAuthFlow = self.app.oauth_flow
                 if request.path == oauth_flow.install_path:
-                    bolt_resp = oauth_flow.handle_installation(to_bolt_request(request))
+                    bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
+                    bolt_resp = oauth_flow.handle_installation(bolt_req)
                     return to_pyramid_response(bolt_resp)
                 elif request.path == oauth_flow.redirect_uri_path:
-                    bolt_resp = oauth_flow.handle_callback(to_bolt_request(request))
+                    bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
+                    bolt_resp = oauth_flow.handle_callback(bolt_req)
                     return to_pyramid_response(bolt_resp)
         elif request.method == &#34;POST&#34;:
-            bolt_req = to_bolt_request(request)
+            bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
             bolt_resp = self.app.dispatch(bolt_req)
             return to_pyramid_response(bolt_resp)
 
-        return Response(status=404, body=&#34;Not found&#34;)</code></pre>
+        return Response(status=404, body=&#34;Not found&#34;)
+
+
+def _attach_pyramid_request_to_context(
+    bolt_req: BoltRequest,
+    request: Request,
+) -&gt; BoltRequest:
+    # To enable developers to access request-scope attributes such as dbsession,
+    # this adapter exposes the underlying pyramid_request object to Bolt listeners
+    #
+    # Developers can access request props this way:
+    # @app.event(&#34;app_mention&#34;)
+    # def handle_app_mention_events(context, logger):
+    #     req = context[&#34;pyramid_request&#34;]
+    #     all = req.dbsession.query(MyModel).all()
+    #     logger.info(all)
+    #
+    bolt_req.context[&#34;pyramid_request&#34;] = request
+    return bolt_req</code></pre>
 </details>
 </section>
 <section>
@@ -164,13 +184,15 @@ <h2 class="section-title" id="header-classes">Classes</h2>
             if self.app.oauth_flow is not None:
                 oauth_flow: OAuthFlow = self.app.oauth_flow
                 if request.path == oauth_flow.install_path:
-                    bolt_resp = oauth_flow.handle_installation(to_bolt_request(request))
+                    bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
+                    bolt_resp = oauth_flow.handle_installation(bolt_req)
                     return to_pyramid_response(bolt_resp)
                 elif request.path == oauth_flow.redirect_uri_path:
-                    bolt_resp = oauth_flow.handle_callback(to_bolt_request(request))
+                    bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
+                    bolt_resp = oauth_flow.handle_callback(bolt_req)
                     return to_pyramid_response(bolt_resp)
         elif request.method == &#34;POST&#34;:
-            bolt_req = to_bolt_request(request)
+            bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
             bolt_resp = self.app.dispatch(bolt_req)
             return to_pyramid_response(bolt_resp)
 
@@ -192,13 +214,15 @@ <h3>Methods</h3>
         if self.app.oauth_flow is not None:
             oauth_flow: OAuthFlow = self.app.oauth_flow
             if request.path == oauth_flow.install_path:
-                bolt_resp = oauth_flow.handle_installation(to_bolt_request(request))
+                bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
+                bolt_resp = oauth_flow.handle_installation(bolt_req)
                 return to_pyramid_response(bolt_resp)
             elif request.path == oauth_flow.redirect_uri_path:
-                bolt_resp = oauth_flow.handle_callback(to_bolt_request(request))
+                bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
+                bolt_resp = oauth_flow.handle_callback(bolt_req)
                 return to_pyramid_response(bolt_resp)
     elif request.method == &#34;POST&#34;:
-        bolt_req = to_bolt_request(request)
+        bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
         bolt_resp = self.app.dispatch(bolt_req)
         return to_pyramid_response(bolt_resp)
 
diff --git a/docs/api-docs/slack_bolt/adapter/pyramid/index.html b/docs/api-docs/slack_bolt/adapter/pyramid/index.html
index 368a48f9c..81a32f9bb 100644
--- a/docs/api-docs/slack_bolt/adapter/pyramid/index.html
+++ b/docs/api-docs/slack_bolt/adapter/pyramid/index.html
@@ -68,13 +68,15 @@ <h2 class="section-title" id="header-classes">Classes</h2>
             if self.app.oauth_flow is not None:
                 oauth_flow: OAuthFlow = self.app.oauth_flow
                 if request.path == oauth_flow.install_path:
-                    bolt_resp = oauth_flow.handle_installation(to_bolt_request(request))
+                    bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
+                    bolt_resp = oauth_flow.handle_installation(bolt_req)
                     return to_pyramid_response(bolt_resp)
                 elif request.path == oauth_flow.redirect_uri_path:
-                    bolt_resp = oauth_flow.handle_callback(to_bolt_request(request))
+                    bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
+                    bolt_resp = oauth_flow.handle_callback(bolt_req)
                     return to_pyramid_response(bolt_resp)
         elif request.method == &#34;POST&#34;:
-            bolt_req = to_bolt_request(request)
+            bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
             bolt_resp = self.app.dispatch(bolt_req)
             return to_pyramid_response(bolt_resp)
 
@@ -96,13 +98,15 @@ <h3>Methods</h3>
         if self.app.oauth_flow is not None:
             oauth_flow: OAuthFlow = self.app.oauth_flow
             if request.path == oauth_flow.install_path:
-                bolt_resp = oauth_flow.handle_installation(to_bolt_request(request))
+                bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
+                bolt_resp = oauth_flow.handle_installation(bolt_req)
                 return to_pyramid_response(bolt_resp)
             elif request.path == oauth_flow.redirect_uri_path:
-                bolt_resp = oauth_flow.handle_callback(to_bolt_request(request))
+                bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
+                bolt_resp = oauth_flow.handle_callback(bolt_req)
                 return to_pyramid_response(bolt_resp)
     elif request.method == &#34;POST&#34;:
-        bolt_req = to_bolt_request(request)
+        bolt_req = _attach_pyramid_request_to_context(to_bolt_request(request), request)
         bolt_resp = self.app.dispatch(bolt_req)
         return to_pyramid_response(bolt_resp)
 
diff --git a/docs/api-docs/slack_bolt/middleware/middleware_error_handler.html b/docs/api-docs/slack_bolt/middleware/middleware_error_handler.html
index 03c51e1e3..e8d65d50d 100644
--- a/docs/api-docs/slack_bolt/middleware/middleware_error_handler.html
+++ b/docs/api-docs/slack_bolt/middleware/middleware_error_handler.html
@@ -91,7 +91,7 @@ <h1 class="title">Module <code>slack_bolt.middleware.middleware_error_handler</c
         request: BoltRequest,
         response: Optional[BoltResponse],
     ):
-        message = f&#34;Failed to run a middleware middleware (error: {error})&#34;
+        message = f&#34;Failed to run a middleware (error: {error})&#34;
         self.logger.exception(message)</code></pre>
 </details>
 </section>
@@ -173,7 +173,7 @@ <h3>Inherited members</h3>
         request: BoltRequest,
         response: Optional[BoltResponse],
     ):
-        message = f&#34;Failed to run a middleware middleware (error: {error})&#34;
+        message = f&#34;Failed to run a middleware (error: {error})&#34;
         self.logger.exception(message)</code></pre>
 </details>
 <h3>Ancestors</h3>
diff --git a/docs/api-docs/slack_bolt/version.html b/docs/api-docs/slack_bolt/version.html
index 35056bd7e..ebed668c7 100644
--- a/docs/api-docs/slack_bolt/version.html
+++ b/docs/api-docs/slack_bolt/version.html
@@ -28,7 +28,7 @@ <h1 class="title">Module <code>slack_bolt.version</code></h1>
 <span>Expand source code</span>
 </summary>
 <pre><code class="python">&#34;&#34;&#34;Check the latest version at https://pypi.org/project/slack-bolt/&#34;&#34;&#34;
-__version__ = &#34;1.16.0&#34;</code></pre>
+__version__ = &#34;1.16.1&#34;</code></pre>
 </details>
 </section>
 <section>
diff --git a/slack_bolt/version.py b/slack_bolt/version.py
index caf8ffb71..6dd0d6d25 100644
--- a/slack_bolt/version.py
+++ b/slack_bolt/version.py
@@ -1,2 +1,2 @@
 """Check the latest version at https://pypi.org/project/slack-bolt/"""
-__version__ = "1.16.0"
+__version__ = "1.16.1"