diff --git a/pyproject.toml b/pyproject.toml
index 6ce591ca..3a398563 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ homepage = "https://github.com/RonanB96/bluetooth-sig-python"
 [project.optional-dependencies]
 dev = [
     "pytest~=8.4",
-    "pytest-asyncio>=0.23.0,<0.24",
+    "pytest-asyncio>=0.23.0,<1.3",
     "pytest-cov>=6.2,<8",
     "nest-asyncio>=1.5.0",
     "pytest-benchmark~=5.1",
@@ -55,7 +55,7 @@ dev = [
     "coverage~=7.0"]
 test = [
     "pytest~=8.4",
-    "pytest-asyncio>=0.23.0,<0.24",
+    "pytest-asyncio>=0.23.0,<1.3",
     "pytest-cov>=6.2,<8",
     "nest-asyncio>=1.5.0",
     "pytest-benchmark~=5.1",