diff --git a/backend-agent/pyproject.toml b/backend-agent/pyproject.toml
index 008e6f0..1d69555 100644
--- a/backend-agent/pyproject.toml
+++ b/backend-agent/pyproject.toml
@@ -23,7 +23,7 @@ dependencies = [
     'langchain>=0.3.0,<0.4.0',
     'langchain-community>=0.3.0,<0.4.0',
     'langchain-core>=0.3.0,<0.4.0',
-    'langchain-text-splitters>=0.3.0,<0.4.0',
+    'langchain-text-splitters>=0.3.0,<1.1.0',
     'PyYAML==6.0.3',
     'requests==2.32.5',
     'unstructured==0.18.20',
diff --git a/backend-agent/uv.lock b/backend-agent/uv.lock
index 1e0612b..b8ec37c 100644
--- a/backend-agent/uv.lock
+++ b/backend-agent/uv.lock
@@ -5430,7 +5430,7 @@ requires-dist = [
     { name = "langchain", specifier = ">=0.3.0,<0.4.0" },
     { name = "langchain-community", specifier = ">=0.3.0,<0.4.0" },
     { name = "langchain-core", specifier = ">=0.3.0,<0.4.0" },
-    { name = "langchain-text-splitters", specifier = ">=0.3.0,<0.4.0" },
+    { name = "langchain-text-splitters", specifier = ">=0.3.0,<1.1.0" },
     { name = "ollama", specifier = "==0.6.1" },
     { name = "pandas", specifier = "==2.3.3" },
     { name = "pyrit", specifier = "==0.9.0" },