diff --git a/assistant/requirements.txt b/assistant/requirements.txt
index ee826c02..b423dc51 100644
--- a/assistant/requirements.txt
+++ b/assistant/requirements.txt
@@ -1,4 +1,4 @@
-openai==1.35.13
+openai==1.55.3
 chromadb==0.5.5
 pika==1.3.2
 black==24.4.2
diff --git a/eppo-librarian/requirements.txt b/eppo-librarian/requirements.txt
index 7c975cbf..a4351bb5 100644
--- a/eppo-librarian/requirements.txt
+++ b/eppo-librarian/requirements.txt
@@ -1,4 +1,4 @@
-openai==1.51.2
+openai==1.55.3
 pandas==2.2.2
 chromadb==0.5.5
 nltk==3.9.1