diff --git a/src/pcd_cli/cli/app.py b/src/pcd_cli/cli/app.py
index b187caa..0753ebb 100644
--- a/src/pcd_cli/cli/app.py
+++ b/src/pcd_cli/cli/app.py
@@ -11,9 +11,9 @@
 from pcd_cli.cli.roots import root_commands
 from pcd_cli.cli.shell import shell_commands
 from pcd_cli.config import InvalidConfigError
+from pcd_cli.integrations.shell import ShellIntegrationError
 from pcd_cli.models import ExitCode
 from pcd_cli.navigation import navigate_to_project, project_completions
-from pcd_cli.shell_integration import ShellIntegrationError
 
 if TYPE_CHECKING:
     from click.shell_completion import CompletionItem
diff --git a/src/pcd_cli/cli/shell.py b/src/pcd_cli/cli/shell.py
index 748500b..7bd8efe 100644
--- a/src/pcd_cli/cli/shell.py
+++ b/src/pcd_cli/cli/shell.py
@@ -1,6 +1,6 @@
 import click
 
-from pcd_cli.shell_integration import (
+from pcd_cli.integrations.shell import (
     detect_shell,
     render_shell_integration,
     Shell,
diff --git a/src/pcd_cli/integrations/__init__.py b/src/pcd_cli/integrations/__init__.py
new file mode 100644
index 0000000..de11f96
--- /dev/null
+++ b/src/pcd_cli/integrations/__init__.py
@@ -0,0 +1 @@
+"""External environment integrations."""
diff --git a/src/pcd_cli/shell_integration.py b/src/pcd_cli/integrations/shell.py
similarity index 100%
rename from src/pcd_cli/shell_integration.py
rename to src/pcd_cli/integrations/shell.py
diff --git a/src/pcd_cli/navigation.py b/src/pcd_cli/navigation.py
index fd6ea91..0086e2b 100644
--- a/src/pcd_cli/navigation.py
+++ b/src/pcd_cli/navigation.py
@@ -7,12 +7,12 @@
 
 from pcd_cli.catalog import ProjectCatalog
 from pcd_cli.filesystem import format_path
-from pcd_cli.models import ExitCode, ProjectSource
-from pcd_cli.shell_integration import (
+from pcd_cli.integrations.shell import (
     inactive_shell_message,
     SHELL_CD_EXIT_CODE,
     shell_integration_active,
 )
+from pcd_cli.models import ExitCode, ProjectSource
 
 if TYPE_CHECKING:
     from collections.abc import Sequence
diff --git a/tests/integration/test_cli.py b/tests/integration/test_cli.py
index fb6dd36..2a45a50 100644
--- a/tests/integration/test_cli.py
+++ b/tests/integration/test_cli.py
@@ -12,8 +12,8 @@
 from pcd_cli.catalog import ProjectCatalog
 from pcd_cli.cli import cli, ProjectCommandGroup
 from pcd_cli.config import InvalidConfigError
+from pcd_cli.integrations.shell import ShellIntegrationError
 from pcd_cli.models import Project, ProjectSource
-from pcd_cli.shell_integration import ShellIntegrationError
 
 if TYPE_CHECKING:
     from pathlib import Path
diff --git a/tests/integration/test_shell_integration.py b/tests/integration/test_shell.py
similarity index 99%
rename from tests/integration/test_shell_integration.py
rename to tests/integration/test_shell.py
index 6effd3a..74fb707 100644
--- a/tests/integration/test_shell_integration.py
+++ b/tests/integration/test_shell.py
@@ -10,7 +10,7 @@
 
 from pcd_cli.cli import cli
 from pcd_cli.cli.shell import init_shell
-from pcd_cli.shell_integration import (
+from pcd_cli.integrations.shell import (
     inactive_shell_message,
     render_shell_integration,
     Shell,