diff --git a/automation/pyproject.toml b/automation/pyproject.toml
index 24156f7dd..9de69d133 100644
--- a/automation/pyproject.toml
+++ b/automation/pyproject.toml
@@ -1,7 +1,7 @@
 [build-system]
 requires = [
     # keep versions in sync with ../pyproject.toml
-    "setuptools==74.1.2",
+    "setuptools==75.0.0",
     "setuptools_scm==8.1.0",
     "setuptools_dynamic_dependencies @ git+https://github.com/beeware/setuptools_dynamic_dependencies",
 ]
diff --git a/changes/1995.misc.rst b/changes/1995.misc.rst
new file mode 100644
index 000000000..08cd276c7
--- /dev/null
+++ b/changes/1995.misc.rst
@@ -0,0 +1 @@
+The pinned dependencies in pyproject.toml and tox.ini were updated to their latest versions.
diff --git a/pyproject.toml b/pyproject.toml
index 0f394bd40..990588ef0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [build-system]
 requires = [
     # keep versions in sync with automation/pyproject.toml
-    "setuptools==74.1.2",
+    "setuptools==75.0.0",
     "setuptools_scm==8.1.0",
 ]
 build-backend = "setuptools.build_meta"