diff --git a/ros2trace/ros2trace/py.typed b/ros2trace/ros2trace/py.typed
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/ros2trace/ros2trace/py.typed
@@ -0,0 +1 @@
+
diff --git a/tracetools_launch/tracetools_launch/py.typed b/tracetools_launch/tracetools_launch/py.typed
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/tracetools_launch/tracetools_launch/py.typed
@@ -0,0 +1 @@
+
diff --git a/tracetools_read/tracetools_read/py.typed b/tracetools_read/tracetools_read/py.typed
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/tracetools_read/tracetools_read/py.typed
@@ -0,0 +1 @@
+
diff --git a/tracetools_test/tracetools_test/py.typed b/tracetools_test/tracetools_test/py.typed
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/tracetools_test/tracetools_test/py.typed
@@ -0,0 +1 @@
+
diff --git a/tracetools_trace/tracetools_trace/py.typed b/tracetools_trace/tracetools_trace/py.typed
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/tracetools_trace/tracetools_trace/py.typed
@@ -0,0 +1 @@
+