diff --git a/CHANGES.rst b/CHANGES.rst
index 97b0841..1fd4d89 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,13 @@
+0.17.0 (2024-05-01)
+-------------------
+- Add support to python-docx 1.1.1
+  Note : docxtpl 0.17.0 requires python-docx 1.1.1+ and
+         is incompatible with previous python-docx versions.
+
+0.16.8 (2024-02-23)
+-------------------
+- PR #527 : upgrade Jinja2 in Pipfile.lock
+
 0.16.7 (2023-05-08)
 -------------------
 - PR #493 - thanks to AdrianVorobel
diff --git a/Pipfile.lock b/Pipfile.lock
index fa56326..1613110 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "cfe74878731d3094ce80d2d9eb9f4ea9d6e770a4a2ae3cf07a017fd07d3b5f03"
+            "sha256": "0368a5e08ceb2b4910a110742515b5ff1d04a3a3af2b91b49d922ef9aaab6915"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -17,11 +17,19 @@
     },
     "default": {},
     "develop": {
+        "babel": {
+            "hashes": [
+                "sha256:6919867db036398ba21eb5c7a0f6b28ab8cbc3ae7a73a44ebe34ae74a4e7d363",
+                "sha256:efb1a25b7118e67ce3a259bed20545c29cb68be8ad2c784c83689981b7a57287"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==2.14.0"
+        },
         "docxcompose": {
             "hashes": [
-                "sha256:f91b6e4b136937152081c07471596368324cce2bffa82dfec579f6fa20f59161"
+                "sha256:bcf2799a0b63c29eb77a3d799a2f28443ae0f69f8691ff3d753f706be515c3e9"
             ],
-            "version": "==1.3.5"
+            "version": "==1.4.0"
         },
         "docxtpl": {
             "editable": true,
@@ -29,96 +37,102 @@
         },
         "flake8": {
             "hashes": [
-                "sha256:479b1304f72536a55948cb40a32dce8bb0ffe3501e26eaf292c7e60eb5e0428d",
-                "sha256:806e034dda44114815e23c16ef92f95c91e4c71100ff52813adf7132a6ad870d"
+                "sha256:33f96621059e65eec474169085dc92bf26e7b2d47366b70be2f67ab80dc25132",
+                "sha256:a6dfbb75e03252917f2473ea9653f7cd799c3064e54d4c8140044c5c065f53c3"
             ],
             "index": "pypi",
-            "version": "==4.0.1"
+            "version": "==7.0.0"
         },
         "jinja2": {
             "hashes": [
                 "sha256:7d6d50dd97d52cbc355597bd845fabfbac3f551e1f99619e39a35ce8c370b5fa",
                 "sha256:ac8bd6544d4bb2c9792bf3a159e80bba8fda7f07e81bc3aed565432d5925ba90"
             ],
-            "index": "pypi",
             "markers": "python_version >= '3.7'",
             "version": "==3.1.3"
         },
         "lxml": {
             "hashes": [
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+                "sha256:f49e52d174375a7def9915c9f06ec4e569d235ad428f70751765f48d5926678c"
             ],
             "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==4.9.1"
+            "version": "==4.9.2"
         },
         "markupsafe": {
             "hashes": [
@@ -188,40 +202,59 @@
         },
         "mccabe": {
             "hashes": [
-                "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42",
-                "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"
+                "sha256:348e0240c33b60bbdf4e523192ef919f28cb2c3d7d5c7794f74009290f236325",
+                "sha256:6c2d30ab6be0e4a46919781807b4f0d834ebdd6c6e3dca0bda5a15f863427b6e"
             ],
-            "version": "==0.6.1"
+            "markers": "python_version >= '3.6'",
+            "version": "==0.7.0"
         },
         "pycodestyle": {
             "hashes": [
-                "sha256:720f8b39dde8b293825e7ff02c475f3077124006db4f440dcbc9a20b76548a20",
-                "sha256:eddd5847ef438ea1c7870ca7eb78a9d47ce0cdb4851a5523949f2601d0cbbe7f"
+                "sha256:41ba0e7afc9752dfb53ced5489e89f8186be00e599e712660695b7a75ff2663f",
+                "sha256:44fe31000b2d866f2e41841b18528a505fbd7fef9017b04eff4e2648a0fadc67"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
-            "version": "==2.8.0"
+            "markers": "python_version >= '3.8'",
+            "version": "==2.11.1"
         },
         "pyflakes": {
             "hashes": [
-                "sha256:05a85c2872edf37a4ed30b0cce2f6093e1d0581f8c19d7393122da7e25b2b24c",
-                "sha256:3bb3a3f256f4b7968c9c788781e4ff07dce46bdf12339dcda61053375426ee2e"
+                "sha256:1c61603ff154621fb2a9172037d84dca3500def8c8b630657d1701f026f8af3f",
+                "sha256:84b5be138a2dfbb40689ca07e2152deb896a65c3a3e24c251c5c62489568074a"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==2.4.0"
+            "markers": "python_version >= '3.8'",
+            "version": "==3.2.0"
         },
         "python-docx": {
             "hashes": [
-                "sha256:1105d233a0956dd8dd1e710d20b159e2d72ac3c301041b95f4d4ceb3e0ebebc4"
+                "sha256:15473bd40a7c16d9367b0a4b2cbbab0a787904fa2f7cadae1ed6f96201dcbb66",
+                "sha256:fc09412cef1a9ce7756d52376158f94f2a0edd0fc722da1d0a074f01d83e5021"
             ],
-            "version": "==0.8.11"
+            "markers": "python_version >= '3.7'",
+            "version": "==1.1.1"
+        },
+        "setuptools": {
+            "hashes": [
+                "sha256:6c1fccdac05a97e598fb0ae3bbed5904ccb317337a51139dcd51453611bbb987",
+                "sha256:c636ac361bc47580504644275c9ad802c50415c7522212252c033bd15f301f32"
+            ],
+            "markers": "python_version >= '3.8'",
+            "version": "==69.5.1"
         },
         "six": {
             "hashes": [
                 "sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926",
                 "sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2'",
             "version": "==1.16.0"
+        },
+        "typing-extensions": {
+            "hashes": [
+                "sha256:83f085bd5ca59c80295fc2a82ab5dac679cbe02b9f33f7d83af68e241bea51b0",
+                "sha256:c1f94d72897edaf4ce775bb7558d5b79d8126906a14ea5ed1635921406c0387a"
+            ],
+            "markers": "python_version >= '3.8'",
+            "version": "==4.11.0"
         }
     }
 }
diff --git a/docxtpl/__init__.py b/docxtpl/__init__.py
index 926de74..5ae5209 100644
--- a/docxtpl/__init__.py
+++ b/docxtpl/__init__.py
@@ -4,7 +4,7 @@
 
 @author: Eric Lapouyade
 """
-__version__ = '0.16.7'
+__version__ = '0.17.0'
 
 # flake8: noqa
 from .inline_image import InlineImage
diff --git a/docxtpl/template.py b/docxtpl/template.py
index 943bf29..31e9671 100644
--- a/docxtpl/template.py
+++ b/docxtpl/template.py
@@ -321,7 +321,7 @@ def map_tree(self, tree):
         root.replace(body, tree)
 
     def get_headers_footers(self, uri):
-        for relKey, val in self.docx._part._rels.items():
+        for relKey, val in self.docx._part.rels.items():
             if (val.reltype == uri) and (val.target_part.blob):
                 yield relKey, val.target_part
 
@@ -343,11 +343,11 @@ def build_headers_footers_xml(self, context, uri, jinja_env=None):
             yield relKey, xml.encode(encoding)
 
     def map_headers_footers_xml(self, relKey, xml):
-        part = self.docx._part._rels[relKey].target_part
+        part = self.docx._part.rels[relKey].target_part
         new_part = XmlPart.load(part.partname, part.content_type, xml, part.package)
         for rId, rel in part.rels.items():
             new_part.load_rel(rel.reltype, rel._target, rel.rId, rel.is_external)
-        self.docx._part._rels[relKey]._target = new_part
+        self.docx._part.rels[relKey]._target = new_part
 
     def render(
         self,
diff --git a/setup.py b/setup.py
index e6762c1..2eae6c5 100644
--- a/setup.py
+++ b/setup.py
@@ -61,7 +61,7 @@ def get_version(pkg):
       license='LGPL 2.1',
       packages=['docxtpl'],
       install_requires=['six',
-                        'python-docx',
+                        'python-docx>=1.1.1',
                         'docxcompose',
                         'jinja2',
                         'lxml'],