diff --git a/autogen/oai/client.py b/autogen/oai/client.py
index f22562efca59..a6569ec0240e 100644
--- a/autogen/oai/client.py
+++ b/autogen/oai/client.py
@@ -14,7 +14,7 @@
 TOOL_ENABLED = False
 try:
     import openai
-    from openai import OpenAI, APIError
+    from openai import OpenAI, APIError, __version__ as OPENAIVERSION
     from openai.types.chat import ChatCompletion
     from openai.types.chat.chat_completion import ChatCompletionMessage, Choice
     from openai.types.completion import Completion
@@ -330,8 +330,8 @@ def _completions_create(self, client, params):
                 ),
             )
             for i in range(len(response_contents)):
-                try:
-                    # OpenAI versions 0.1.5 and above
+                if OPENAIVERSION >= "1.5":  # pragma: no cover
+                    # OpenAI versions 1.5.0 and above
                     choice = Choice(
                         index=i,
                         finish_reason=finish_reasons[i],
@@ -340,8 +340,8 @@ def _completions_create(self, client, params):
                         ),
                         logprobs=None,
                     )
-                except ValidationError:
-                    # OpenAI version up to 0.1.4
+                else:
+                    # OpenAI versions below 1.5.0
                     choice = Choice(
                         index=i,
                         finish_reason=finish_reasons[i],
diff --git a/setup.py b/setup.py
index bc06e10cc603..8c61cb085b50 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 __version__ = version["__version__"]
 
 install_requires = [
-    "openai>=1,<1.5",  # a temporary fix for breaking changes in 1.5
+    "openai>=1.3,<1.5",
     "diskcache",
     "termcolor",
     "flaml",