diff --git a/src/requirements.in b/src/requirements.in
index b0d2e0a13..c4d56af43 100644
--- a/src/requirements.in
+++ b/src/requirements.in
@@ -7,7 +7,7 @@ django-vectortiles == 1.0.2
 djangorestframework == 3.17.1
 djangorestframework-csv == 3.0.2
 djangorestframework-gis == 1.2.1
-amsterdam-schema-tools[django] == 9.6.3
+amsterdam-schema-tools[django] == 9.6.4
 azure-identity == 1.25.3
 azure-monitor-opentelemetry == 1.8.7
 beautifulsoup4==4.14.3
diff --git a/src/requirements.txt b/src/requirements.txt
index 65331bfd4..718b0d3d5 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -4,9 +4,9 @@
 #
 #    pip-compile --generate-hashes --output-file=requirements.txt requirements.in
 #
-amsterdam-schema-tools[django]==9.6.3 \
-    --hash=sha256:a8dfe9af205011a9ce9a0694196529899ce64f2abf25cd473bd0296074730917 \
-    --hash=sha256:f517a7518fa8f14a0293e7c8acfe9e4ec8702a91910f75a708e32cb16a243742
+amsterdam-schema-tools[django]==9.6.4 \
+    --hash=sha256:b3e3d865cc2900f6bfa358adbaf50d238da620445268e52d6a9389105000d047 \
+    --hash=sha256:b5c3acd6c45bddbe3565f55a564a6b844662315ac07713826d55cb8bfceaba3e
     # via -r requirements.in
 annotated-types==0.7.0 \
     --hash=sha256:1f02e8b43a8fbbc3f3e0d4f0f4bfc8131bcb4eebe8849b8e5c773f3a1c582a53 \
diff --git a/src/requirements_dev.txt b/src/requirements_dev.txt
index dcd7c23e6..ed2378e83 100644
--- a/src/requirements_dev.txt
+++ b/src/requirements_dev.txt
@@ -4,7 +4,7 @@
 #
 #    pip-compile --output-file=requirements_dev.txt requirements_dev.in
 #
-amsterdam-schema-tools[django]==9.6.3
+amsterdam-schema-tools[django]==9.6.4
     # via -r requirements.in
 annotated-types==0.7.0
     # via pydantic