diff --git a/.gitignore b/.gitignore
index cb1d895..227e974 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /v4.2.1.tar.gz
 /Flask-SocketIO-4.3.2.tar.gz
 /Flask-SocketIO-5.1.0.tar.gz
+/Flask-SocketIO-5.1.1.tar.gz
diff --git a/python-flask-socketio.spec b/python-flask-socketio.spec
index 170d175..3678733 100644
--- a/python-flask-socketio.spec
+++ b/python-flask-socketio.spec
@@ -1,7 +1,7 @@
 %global srcname flask-socketio
 
 Name:           python-%{srcname}
-Version:        5.1.0
+Version:        5.1.1
 Release:        %autorelease
 Summary:        Socket.IO integration for Flask applications
 
@@ -18,10 +18,6 @@ BuildRequires:  pyproject-rpm-macros
 BuildRequires:  make
 BuildRequires:  python3dist(sphinx)
 
-# Extra testing dependencies
-BuildRequires:  python3dist(pytest)
-BuildRequires:  python3dist(coverage)
-
 %global common_description %{expand:
 Flask-SocketIO gives Flask applications access to low latency bi-directional
 communications between the clients and the server. The client-side application
@@ -47,22 +43,9 @@ Summary:        Documentation for %{name}
 %prep
 %autosetup -n Flask-SocketIO-%{version}
 
-# Find executable files without shebang lines, and fix their permissions.
-# https://github.com/miguelgrinberg/Flask-SocketIO/pull/1621
-find . -type f -perm /0111 |
-  while read -r fn
-  do
-    if ! head "${fn}" | grep -E '^#!' >/dev/null
-    then
-      chmod -v a-x "${fn}"
-    fi
-  done
-# Fix “/usr/bin/env python” shebangs in the example
-%py3_shebang_fix example
-
 
 %generate_buildrequires
-%pyproject_buildrequires -r
+%pyproject_buildrequires -t
 
 
 %build
@@ -77,7 +60,11 @@ rm -vf docs/_build/html/.buildinfo
 
 
 %check
-%pytest
+# Because of its name, flask_socketio.test_client is mistaken for a test; then,
+# pytest fails because of an import path mismatch, since that module is
+# available both here in the build directory and in the buildroot. Simply
+# ignoring it in test collection is perfectly correct and solves the problem.
+%pytest --ignore-glob='*/test_client.py'
 
 
 %files -n python3-%{srcname} -f %{pyproject_files}
@@ -88,6 +75,7 @@ rm -vf docs/_build/html/.buildinfo
 %license LICENSE
 %doc CHANGES.md
 %doc README.md
+%doc SECURITY.md
 %doc docs/_build/html
 %doc example
 
diff --git a/sources b/sources
index 83483bd..c7d4964 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (Flask-SocketIO-5.1.0.tar.gz) = 701279d7cb98305e92a96950e9c91e06ba6528faea136c62bedd1882dfc39b9dad0b30b80c8138289933fed74d2b2949fb9236adb0ea8bf5d96ba7fd487c6a44
+SHA512 (Flask-SocketIO-5.1.1.tar.gz) = 12510b0d853a03d613782a7ed23cf791a3c6c5f8c55e78308c3e635be22384ba7bb207811846d14252fcf4ff21ab42c27f6390382baabf393f1eba24b6a80861