diff --git a/pytest-embedded-serial/pyproject.toml b/pytest-embedded-serial/pyproject.toml
index 5a86909b..687f42c0 100644
--- a/pytest-embedded-serial/pyproject.toml
+++ b/pytest-embedded-serial/pyproject.toml
@@ -32,7 +32,7 @@ requires-python = ">=3.7"
 
 dependencies = [
     "pytest-embedded~=1.16.0",
-    "pyserial~=3.0",
+    "pyserial>=3.0",
 ]
 
 [project.urls]