diff --git a/requirements.in b/requirements.in
index e41c6b15a..60afc5ebe 100644
--- a/requirements.in
+++ b/requirements.in
@@ -6,7 +6,7 @@ Frozen-Flask
 json_merge_patch
 jsonpointer
 lxml
-markdown-it-py>=2
+markdown-it-py
 ocdskit[perf]
 Pygments
 python-slugify
diff --git a/requirements.txt b/requirements.txt
index c8b09c398..e24e81054 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ charset-normalizer==3.1.0
     # via requests
 click==8.1.3
     # via flask
-docutils==0.15.2
+docutils==0.20.1
     # via
     #   myst-parser
     #   sphinx
@@ -47,7 +47,7 @@ idna==2.8
     # via requests
 ijson==2.5.1
     # via ocdskit
-imagesize==1.1.0
+imagesize==1.4.1
     # via sphinx
 itsdangerous==2.1.2
     # via flask
@@ -70,7 +70,7 @@ jsonref==1.0.0.post1
     #   ocdsmerge
 lxml==4.9.1
     # via -r requirements.in
-markdown-it-py==2.2.0
+markdown-it-py==3.0.0
     # via
     #   -r requirements.in
     #   mdformat
@@ -81,13 +81,13 @@ markupsafe==2.1.2
     # via
     #   jinja2
     #   werkzeug
-mdformat==0.7.14
+mdformat==0.7.17
     # via ocds-babel
-mdit-py-plugins==0.3.0
+mdit-py-plugins==0.4.0
     # via myst-parser
 mdurl==0.1.0
     # via markdown-it-py
-myst-parser==0.17.0
+myst-parser==2.0.0
     # via ocdsextensionregistry
 ocds-babel[markdown]==0.3.5
     # via ocdsextensionregistry
@@ -101,14 +101,12 @@ ocdsmerge==0.6.4
     # via ocdskit
 orjson==3.9.5
     # via ocdskit
-packaging==19.2
+packaging==23.1
     # via sphinx
 pygments==2.15.1
     # via
     #   -r requirements.in
     #   sphinx
-pyparsing==2.4.5
-    # via packaging
 python-slugify==4.0.1
     # via -r requirements.in
 pytz==2023.3
@@ -127,15 +125,14 @@ requests==2.31.0
 requests-cache==0.9.4
     # via ocdsextensionregistry
 six==1.11.0
-    # via
-    #   packaging
-    #   url-normalize
+    # via url-normalize
 snowballstemmer==2.0.0
     # via sphinx
-sphinx==4.5.0
+sphinx==7.2.5
     # via
     #   myst-parser
     #   ocdsextensionregistry
+    #   sphinxcontrib-serializinghtml
 sphinxcontrib-applehelp==1.0.2
     # via sphinx
 sphinxcontrib-devhelp==1.0.2
@@ -146,14 +143,12 @@ sphinxcontrib-jsmath==1.0.1
     # via sphinx
 sphinxcontrib-qthelp==1.0.3
     # via sphinx
-sphinxcontrib-serializinghtml==1.1.5
+sphinxcontrib-serializinghtml==1.1.9
     # via sphinx
 text-unidecode==1.3
     # via python-slugify
 tomli==2.0.1
     # via mdformat
-typing-extensions==4.1.1
-    # via myst-parser
 url-normalize==1.4.3
     # via requests-cache
 urllib3==1.26.5
diff --git a/requirements_dev.txt b/requirements_dev.txt
index c7c90b115..4702b5a49 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -53,7 +53,7 @@ coveralls==3.0.0
     # via -r requirements_dev.in
 docopt==0.6.2
     # via coveralls
-docutils==0.15.2
+docutils==0.20.1
     # via
     #   -r requirements.txt
     #   myst-parser
@@ -84,7 +84,7 @@ ijson==2.5.1
     # via
     #   -r requirements.txt
     #   ocdskit
-imagesize==1.1.0
+imagesize==1.4.1
     # via
     #   -r requirements.txt
     #   sphinx
@@ -119,7 +119,7 @@ libsass==0.19.4
     # via -r requirements_dev.in
 lxml==4.9.1
     # via -r requirements.txt
-markdown-it-py==2.2.0
+markdown-it-py==3.0.0
     # via
     #   -r requirements.txt
     #   mdformat
@@ -133,11 +133,11 @@ markupsafe==2.1.2
     #   werkzeug
 mccabe==0.6.1
     # via flake8
-mdformat==0.7.14
+mdformat==0.7.17
     # via
     #   -r requirements.txt
     #   ocds-babel
-mdit-py-plugins==0.3.0
+mdit-py-plugins==0.4.0
     # via
     #   -r requirements.txt
     #   myst-parser
@@ -145,7 +145,7 @@ mdurl==0.1.0
     # via
     #   -r requirements.txt
     #   markdown-it-py
-myst-parser==0.17.0
+myst-parser==2.0.0
     # via
     #   -r requirements.txt
     #   ocdsextensionregistry
@@ -167,7 +167,7 @@ orjson==3.9.5
     # via
     #   -r requirements.txt
     #   ocdskit
-packaging==19.2
+packaging==23.1
     # via
     #   -r requirements.txt
     #   build
@@ -185,10 +185,6 @@ pygments==2.15.1
     # via
     #   -r requirements.txt
     #   sphinx
-pyparsing==2.4.5
-    # via
-    #   -r requirements.txt
-    #   packaging
 pyproject-hooks==1.0.0
     # via build
 pytest==7.2.0
@@ -226,17 +222,17 @@ six==1.11.0
     # via
     #   -r requirements.txt
     #   libsass
-    #   packaging
     #   url-normalize
 snowballstemmer==2.0.0
     # via
     #   -r requirements.txt
     #   sphinx
-sphinx==4.5.0
+sphinx==7.2.5
     # via
     #   -r requirements.txt
     #   myst-parser
     #   ocdsextensionregistry
+    #   sphinxcontrib-serializinghtml
 sphinxcontrib-applehelp==1.0.2
     # via
     #   -r requirements.txt
@@ -257,7 +253,7 @@ sphinxcontrib-qthelp==1.0.3
     # via
     #   -r requirements.txt
     #   sphinx
-sphinxcontrib-serializinghtml==1.1.5
+sphinxcontrib-serializinghtml==1.1.9
     # via
     #   -r requirements.txt
     #   sphinx
@@ -273,10 +269,6 @@ tomli==2.0.1
     #   build
     #   mdformat
     #   pytest
-typing-extensions==4.1.1
-    # via
-    #   -r requirements.txt
-    #   myst-parser
 url-normalize==1.4.3
     # via
     #   -r requirements.txt