diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 3ea9613a..63a9dbc1 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -32,7 +32,7 @@ jobs:
           python-version: "3.10"
       - uses: actions/checkout@v3
       - name: Install mypy
-        run: pip install mypy && pip install -r requirements.txt
+        run: pip install "mypy==1.4.1" && pip install -r requirements.txt
       - name: Run mypy
         run: mkdir .mypy_cache && mypy --ignore-missing-imports --install-types --non-interactive .
       - name: Build the Docker image
diff --git a/bib_models/util.py b/bib_models/util.py
index 1cf0e728..8a5531ee 100644
--- a/bib_models/util.py
+++ b/bib_models/util.py
@@ -126,12 +126,6 @@ def normalize_relaxed(data: Dict[str, Any]) -> Dict[str, Any]:
                 'content': edition
             }
 
-    if keywords := data.get('keyword', []):
-        data['keyword'] = [
-            to_plain_string(item)
-            for item in keywords
-        ]
-
     for contributor in data.get('contributor', []):
         person = contributor.get('person', None)
         org = contributor.get('organization', None)
@@ -154,17 +148,6 @@ def normalize_relaxed(data: Dict[str, Any]) -> Dict[str, Any]:
                 except Exception:
                     pass
 
-            if person:
-                if gname := person.get('name', {}).get('given', None):
-                    if fnames := as_list(gname.get('forename', [])):
-                        gname['forename'] = [
-                            ensure_formatted_string_content(fname)
-                            for fname in fnames
-                        ]
-                    if fi := gname.get('formatted_initials', None):
-                        gname['formatted_initials'] = \
-                            ensure_formatted_string_content(fi)
-
         if roles := as_list(contributor.get('role', None) or []):
             contributor['role'] = [normalize_role(r) for r in roles]
 
diff --git a/main/tests/test_apis.py b/main/tests/test_apis.py
index 6e5ee5ed..f014bd06 100644
--- a/main/tests/test_apis.py
+++ b/main/tests/test_apis.py
@@ -43,7 +43,7 @@ def setUp(self):
         )
         import datatracker.auth
 
-        datatracker.auth.token_is_valid = lambda key: True  # type: ignore[assignment]
+        datatracker.auth.token_is_valid = lambda key: True
 
         self.api_headers = {
             "HTTP_X_DATATRACKER_TOKEN": "test",
diff --git a/requirements.txt b/requirements.txt
index 58465ef2..02f85e70 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,4 +28,4 @@ pydantic>=1.10,<2.0
 crossrefapi>=1.5,<2
 simplejson
 sentry-sdk
-relaton==0.2.25
+relaton==0.2.32
diff --git a/xml2rfc_compat/fixtures/test_refdata.json b/xml2rfc_compat/fixtures/test_refdata.json
index e2e11306..cf79d859 100644
--- a/xml2rfc_compat/fixtures/test_refdata.json
+++ b/xml2rfc_compat/fixtures/test_refdata.json
@@ -705,14 +705,14 @@
                         ],
                         "person": {
                             "name": {
-                                "initial": [
-                                    {
+                                "given": {
+                                    "formatted_initials": {
                                         "content": "R.",
                                         "language": [
                                             "en"
                                         ]
                                     }
-                                ],
+                                },
                                 "surname": {
                                     "content": "Moskowitz",
                                     "language": [
@@ -734,14 +734,14 @@
                         ],
                         "person": {
                             "name": {
-                                "initial": [
-                                    {
+                                "given": {
+                                    "formatted_initials": {
                                         "content": "T.",
                                         "language": [
                                             "en"
                                         ]
                                     }
-                                ],
+                                },
                                 "surname": {
                                     "content": "Heer",
                                     "language": [
@@ -763,14 +763,14 @@
                         ],
                         "person": {
                             "name": {
-                                "initial": [
-                                    {
+                                "given": {
+                                    "formatted_initials": {
                                         "content": "P.",
                                         "language": [
                                             "en"
                                         ]
                                     }
-                                ],
+                                },
                                 "surname": {
                                     "content": "Jokela",
                                     "language": [
@@ -792,14 +792,14 @@
                         ],
                         "person": {
                             "name": {
-                                "initial": [
-                                    {
-                                        "content": "T.",
-                                        "language": [
-                                            "en"
-                                        ]
+                                "given": {
+                                    "formatted_initials": {
+                                            "content": "T.",
+                                            "language": [
+                                                "en"
+                                            ]
                                     }
-                                ],
+                                },
                                 "surname": {
                                     "content": "Henderson",
                                     "language": [
@@ -874,27 +874,16 @@
                     "Latn"
                 ],
                 "keyword": [
-                    "IEEE Standards",
-                    "Hazards",
-                    "Safety",
-                    "Power cables",
-                    "Electronics equipment",
-                    "Oil drilling",
-                    "cables",
-                    "cable installation",
-                    "cable retention",
-                    "cable selection",
-                    "cable systems",
-                    "Class I Division 1",
-                    "Class I Zone 1",
-                    "Class I Division 2",
-                    "Class I Zone 2",
-                    "classified locations",
-                    "flexible applications",
-                    "hazardous locations",
-                    "IEEE 2740",
-                    "oil and gas land drilling rig",
-                    "portability"
+                    {"content": "IEEE Standards"},
+                    {"content": "Hazards"},
+                    {"content": "Safety"},
+                    {"content": "Power cables"},
+                    {"content": "Electronics equipment"},
+                    {"content": "Oil drilling"},
+                    {"content": "cables"},
+                    {"content": "cable installation"},
+                    {"content": "cable retention"},
+                    {"content": "cable selection"}
                 ],
                 "revdate": "2020-08-12",
                 "abstract": [
diff --git a/xml2rfc_compat/serializers/authors.py b/xml2rfc_compat/serializers/authors.py
index 1faa6ec2..0925e677 100644
--- a/xml2rfc_compat/serializers/authors.py
+++ b/xml2rfc_compat/serializers/authors.py
@@ -152,6 +152,7 @@ def create_author(contributor: Contributor) -> _Element:
                 forenames = ' '.join(
                     f.content
                     for f in as_list(name.given.forename or [])
+                    if f.content is not None
                 )
             else:
                 forenames = None
diff --git a/xml2rfc_compat/serializers/reference.py b/xml2rfc_compat/serializers/reference.py
index 28c2d081..96b839c8 100644
--- a/xml2rfc_compat/serializers/reference.py
+++ b/xml2rfc_compat/serializers/reference.py
@@ -97,7 +97,10 @@ def create_reference(item: BibliographicItem) -> _Element:
     series: List[Optional[Tuple[str, str]]] = []
     actual_series: List[Series] = as_list(item.series or [])
     series.extend([
-        (cast(List[Title], as_list(s.title or []))[0].content, s.number)
+        (
+            as_list(s.title or [])[0].content,
+            s.number
+        )
         for s in actual_series
         if s.number and s.title
     ])