diff --git a/CHANGES.rst b/CHANGES.rst
index 4224988..792332e 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -6,7 +6,8 @@ Changelog
 
 - Python 3, Plone 5.2 and Plone 6.0 compatible.
   [aduchene]
-
+- Fixed an issue when odt_file.filename could be None when searching and replacing.
+  [aduchene]
 
 3.43 (2024-04-10)
 -----------------
diff --git a/setup.py b/setup.py
index c62dd03..40c08d6 100644
--- a/setup.py
+++ b/setup.py
@@ -53,7 +53,7 @@
         'z3c.table',
         # fix about orderedselect
         'z3c.form>=3.2.4',
-        'imio.helpers>=0.57',
+        'imio.helpers>=1.0',
         'imio.migrator>=1.11'
     ],
     extras_require={
diff --git a/src/collective/documentgenerator/tests/test_search_replace.py b/src/collective/documentgenerator/tests/test_search_replace.py
index 3cef2f5..5665142 100644
--- a/src/collective/documentgenerator/tests/test_search_replace.py
+++ b/src/collective/documentgenerator/tests/test_search_replace.py
@@ -417,3 +417,11 @@ def test_search_replace_control_panel_regex_validator(self):
         data = {"replacements": replacements}
         errors = form.widgets.validate(data)
         self.assertFalse(errors)
+
+    def test_no_odt_file_or_no_filename(self):
+        self.template1.odt_file = None
+        self.template2.odt_file.filename = None
+        with SearchAndReplacePODTemplates((self.template1, self.template2)) as search_replace:
+            results = search_replace.search("view")
+
+        self.assertEqual(len(results.keys()), 0)