diff --git a/requirements.in b/requirements.in
index 7b8a1b69..37ba9169 100644
--- a/requirements.in
+++ b/requirements.in
@@ -5,10 +5,11 @@
 # Note: To install a package from a Git VCS repository, see the following example:
 #   git+https://github.com/example/example.git@example-vcs-ref#egg=example-pkg[foo,bar]==1.42.3
 
+backports-zoneinfo==0.2.1 ; python_version < "3.9" # Used by `djangorestframework`.
 cryptography==42.0.5
 defusedxml==0.7.1
 Django>=2.2.24
-djangorestframework>=3.10.3,<3.15
+djangorestframework>=3.10.3,<3.16
 importlib-metadata==7.1.0
 jsonschema==4.21.1
 lxml==5.2.1
diff --git a/requirements.txt b/requirements.txt
index 1944396b..24c1fff6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,6 +12,10 @@ attrs==23.1.0
     # via
     #   jsonschema
     #   referencing
+backports-zoneinfo==0.2.1 ; python_version < "3.9"
+    # via
+    #   -r requirements.in
+    #   djangorestframework
 certifi==2023.7.22
     # via signxml
 cffi==1.15.1
@@ -27,7 +31,7 @@ django==3.2.25
     # via
     #   -r requirements.in
     #   djangorestframework
-djangorestframework==3.14.0
+djangorestframework==3.15.1
     # via -r requirements.in
 importlib-metadata==7.1.0
     # via -r requirements.in
@@ -63,7 +67,6 @@ pytz==2024.1
     # via
     #   -r requirements.in
     #   django
-    #   djangorestframework
 referencing==0.30.2
     # via
     #   jsonschema
diff --git a/setup.py b/setup.py
index 6d84bfb1..cbd5c760 100644
--- a/setup.py
+++ b/setup.py
@@ -34,7 +34,7 @@ def get_version(*file_paths: str) -> str:
 
 extras_requirements = {
     'django': ['Django>=2.2.24'],
-    'djangorestframework': ['djangorestframework>=3.10.3,<3.15'],
+    'djangorestframework': ['djangorestframework>=3.10.3,<3.16'],
 }
 
 setup_requirements: Sequence[str] = []