diff --git a/poetry.lock b/poetry.lock
index 59abf51b..328c419f 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -3735,4 +3735,4 @@ testing = ["big-O", "jaraco.functools", "jaraco.itertools", "more-itertools", "p
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.8,<4.0"
-content-hash = "85bb7967bbd2a534d87d530fa0ef62ade69a4b8f539c2c0c85970d09fc2fc94b"
+content-hash = "d275d944145b48ee56866078eeb57829ed6a69e572a93cbe2653f12a2fde700e"
diff --git a/pyproject.toml b/pyproject.toml
index e7851f63..f54752aa 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -64,16 +64,17 @@ pandas = [
     { version = "<=2.0.3", python = "<3.9" },
     { version = ">=2.1.1", python = ">=3.12" },
 ]
-# minimum 8.2.0 to use post-copy mesages
-copier = ">=8.2.0"
+# minimum 9.2.0 because of breaking dependency changes and changes to validation errors
+copier = ">=9.2.0"
 jinja2-time = ">=0.2.0"
 # minimum 2.31.0 because of security vulnerability
 requests = ">=2.31.0"
 ruamel-yaml = ">=0.17.2"
 lazy-loader = ">=0.3"
 # Docutils is a requirement of snakemake, for snakebids otherwise it is merely a doc
-# dependency. Can't do 0.21 with poetry because of https://github.com/python-poetry/poetry/issues/9293
-docutils = "!=0.21.1"
+# dependency. 0.21.post1 needs to be excluded because of
+# https://github.com/python-poetry/poetry/issues/9293
+docutils = "!=0.21.post1"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^7.0.0"
diff --git a/snakebids/tests/test_template.py b/snakebids/tests/test_template.py
index 193354a4..82f08001 100644
--- a/snakebids/tests/test_template.py
+++ b/snakebids/tests/test_template.py
@@ -11,7 +11,6 @@
 import copier
 import more_itertools as itx
 import pathvalidate
-import prompt_toolkit.validation
 import pytest
 import requests_mock
 from hypothesis import HealthCheck, assume, given, settings
@@ -98,7 +97,7 @@ def invalid_emails():
 def test_invalid_email_raises_error(email: str, tmp_path: Path):
     data = get_empty_data("testapp", "setuptools")
     data["email"] = email
-    with pytest.raises(prompt_toolkit.validation.ValidationError):
+    with pytest.raises(ValueError, match="Must be a valid email"):
         copier.run_copy(
             str(Path(itx.first(snakebids.__path__), "project_template")),
             tmp_path / data["app_full_name"],
@@ -184,7 +183,7 @@ def test_gets_correct_snakebids_version(
 @allow_function_scoped
 def test_invalid_app_name_raises_error(name: str, tmp_path: Path):
     data = get_empty_data(name, "setuptools")
-    with pytest.raises(prompt_toolkit.validation.ValidationError):
+    with pytest.raises(ValueError, match="Name must be a valid"):
         copier.run_copy(
             str(Path(itx.first(snakebids.__path__), "project_template")),
             tmp_path / data["app_full_name"],
diff --git a/typings/importlib_metadata/__init__.pyi b/typings/importlib_metadata/__init__.pyi
deleted file mode 100644
index 9fcb412e..00000000
--- a/typings/importlib_metadata/__init__.pyi
+++ /dev/null
@@ -1,15 +0,0 @@
-def version(distribution_name: str) -> str:
-    """Get the version string for the named package.
-
-    :param distribution_name: The name of the distribution package to query.
-    :return: The version string for the package as defined in the package's
-        "Version" metadata key.
-    """
-    ...
-
-class PackageNotFoundError(ModuleNotFoundError):
-    """The package was not found."""
-
-    def __str__(self) -> str: ...
-    @property
-    def name(self) -> str: ...