diff --git a/pyproject.toml b/pyproject.toml
index 0b90e5e..5d3b7b1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ authors = [
     {name = "Google LLC", email = "googleapis-packages@google.com"}
 ]
 dependencies = [
-    "langchain-core>=0.1.1, <1.0.0",
+    "langchain-core>=1.2.22, <1.3.0",
     "langchain-community>=0.0.18, <1.0.0",
     "redis>=5.0.0, <6.0.0",
     "numpy>=1.24.4, <2.0.0",
diff --git a/requirements.txt b/requirements.txt
index 1ce1473..d4e4d8d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-langchain-core==0.2.31
+langchain-core==1.2.22
 langchain-community==0.2.12
 redis==5.0.8
 numpy===1.24.4; python_version <= "3.8"