diff --git a/pyproject.toml b/pyproject.toml
index 421bfd0e7..c62cd0c55 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,9 +31,12 @@ dependencies = [
     "psutil>=5.9.8,<6.1.0",
     "termcolor>=2.3.0,<2.5.0",
     "PyYAML>=5.3,<7.0",
-    "opentelemetry-api>=1.22.0,<2.0.0",
-    "opentelemetry-sdk>=1.22.0,<2.0.0",
-    "opentelemetry-exporter-otlp-proto-http>=1.22.0,<2.0.0",
+    "opentelemetry-api==1.22.0; python_version<'3.10'",
+    "opentelemetry-api>=1.27.0; python_version>='3.10'",
+    "opentelemetry-sdk==1.22.0; python_version<'3.10'",
+    "opentelemetry-sdk>=1.27.0; python_version>='3.10'",
+    "opentelemetry-exporter-otlp-proto-http==1.22.0; python_version<'3.10'",
+    "opentelemetry-exporter-otlp-proto-http>=1.27.0; python_version>='3.10'",
 ]
 
 [dependency-groups]
@@ -78,7 +81,15 @@ compile-bytecode = true  # Enable bytecode compilation for better performance
 default-groups = ["test", "dev"]  # Default groups to install for development
 constraint-dependencies = [
     "pydantic>=2.8.0; python_version>='3.13'",  # Ensure Python 3.13 compatibility
-    "typing-extensions; python_version>='3.13'"  # Required for Pydantic with Python 3.13
+    "typing-extensions; python_version>='3.13'",  # Required for Pydantic with Python 3.13
+    # For Python 3.9, use original OpenTelemetry versions
+    "opentelemetry-api==1.22.0; python_version<'3.10'",
+    "opentelemetry-sdk==1.22.0; python_version<'3.10'",
+    "opentelemetry-exporter-otlp-proto-http==1.22.0; python_version<'3.10'",
+    # For Python ≥3.10 (where autogen-core might be present), use newer versions
+    "opentelemetry-api>=1.27.0; python_version>='3.10'",
+    "opentelemetry-sdk>=1.27.0; python_version>='3.10'",
+    "opentelemetry-exporter-otlp-proto-http>=1.27.0; python_version>='3.10'"
 ]
 
 [tool.autopep8]