diff --git a/jaraco/postgres/__init__.py b/jaraco/postgres/__init__.py
index 6f1dd9e..8fa90ad 100644
--- a/jaraco/postgres/__init__.py
+++ b/jaraco/postgres/__init__.py
@@ -48,6 +48,8 @@
 
 log = logging.getLogger('jaraco.postgres')
 
+_VERSION_PATTERN = re.compile(r'\d+(\.\d+)?')
+
 
 class NotInitializedError(Exception):
     "An exception raised when an uninitialized DBMS is asked to do something"
@@ -651,7 +653,12 @@ class PostgresFinder(paths.PathFinder):
     ]
 
     def _get_version_from_path(path: str):
-        version_str = re.search(r'\d+(\.\d+)?', path).group(0)  # type: ignore
+        match = re.search(_VERSION_PATTERN, path)
+        if not match:
+            raise ValueError(
+                f"No version matching /{_VERSION_PATTERN.pattern}/ in '{path}'"
+            )
+        version_str = match.group(0)
         return packaging.version.Version(version_str)
 
     # Prefer the highest-numbered version available.
diff --git a/mypy.ini b/mypy.ini
index 83b0d15..a4a7a45 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -12,3 +12,11 @@ explicit_package_bases = True
 
 # Disable overload-overlap due to many false-positives
 disable_error_code = overload-overlap
+
+# jaraco/jaraco.services#5
+[mypy-jaraco.services.*]
+ignore_missing_imports = True
+
+# jaraco/portend#17
+[mypy-portend.*]
+ignore_missing_imports = True
diff --git a/pyproject.toml b/pyproject.toml
index 326fc0b..a8aa18c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -68,6 +68,7 @@ type = [
 	"pytest-mypy",
 
 	# local
+	"types-psycopg2",
 ]
 
 
@@ -76,7 +77,3 @@ pytest11 = {PostgreSQL = "jaraco.postgres.fixtures"}
 
 
 [tool.setuptools_scm]
-
-
-[tool.pytest-enabler.mypy]
-# Disabled due to jaraco/skeleton#143