diff --git a/changelogs/fragments/4078-python_requirements_info.yaml b/changelogs/fragments/4078-python_requirements_info.yaml
new file mode 100644
index 0000000000..db6aa8ab77
--- /dev/null
+++ b/changelogs/fragments/4078-python_requirements_info.yaml
@@ -0,0 +1,2 @@
+bugfixes:
+  - python_requirements_info - store ``mismatched`` return values per package as documented in the module (https://github.com/ansible-collections/community.general/pull/4078).
\ No newline at end of file
diff --git a/plugins/modules/system/python_requirements_info.py b/plugins/modules/system/python_requirements_info.py
index 76be56850d..dc0e0a44cc 100644
--- a/plugins/modules/system/python_requirements_info.py
+++ b/plugins/modules/system/python_requirements_info.py
@@ -193,7 +193,7 @@ def main():
                 'desired': dep,
             }
         else:
-            results['mismatched'] = {
+            results['mismatched'][pkg] = {
                 'installed': existing,
                 'desired': dep,
             }