diff --git a/libs/community/pyproject.toml b/libs/community/pyproject.toml
index ac79fd848ae..3fac606d239 100644
--- a/libs/community/pyproject.toml
+++ b/libs/community/pyproject.toml
@@ -7,8 +7,8 @@ authors = []
 license = { text = "MIT" }
 requires-python = "<4.0,>=3.9"
 dependencies = [
-    "langchain-core<1.0.0,>=0.3.45",
-    "langchain<1.0.0,>=0.3.21",
+    "langchain-core<1.0.0,>=0.3.51",
+    "langchain<1.0.0,>=0.3.23",
     "SQLAlchemy<3,>=1.4",
     "requests<3,>=2",
     "PyYAML>=5.3",
@@ -21,7 +21,7 @@ dependencies = [
     "numpy<3,>=1.26.2",
 ]
 name = "langchain-community"
-version = "0.3.20"
+version = "0.3.21"
 description = "Community contributed LangChain integrations."
 readme = "README.md"
 
diff --git a/libs/community/uv.lock b/libs/community/uv.lock
index 99a14abe525..4b39c363976 100644
--- a/libs/community/uv.lock
+++ b/libs/community/uv.lock
@@ -1492,7 +1492,7 @@ wheels = [
 
 [[package]]
 name = "langchain"
-version = "0.3.22"
+version = "0.3.23"
 source = { editable = "../langchain" }
 dependencies = [
     { name = "async-timeout", marker = "python_full_version < '3.11'" },
@@ -1523,6 +1523,7 @@ requires-dist = [
     { name = "langchain-mistralai", marker = "extra == 'mistralai'" },
     { name = "langchain-ollama", marker = "extra == 'ollama'" },
     { name = "langchain-openai", marker = "extra == 'openai'", editable = "../partners/openai" },
+    { name = "langchain-perplexity", marker = "extra == 'perplexity'" },
     { name = "langchain-text-splitters", editable = "../text-splitters" },
     { name = "langchain-together", marker = "extra == 'together'" },
     { name = "langchain-xai", marker = "extra == 'xai'" },
@@ -1532,7 +1533,7 @@ requires-dist = [
     { name = "requests", specifier = ">=2,<3" },
     { name = "sqlalchemy", specifier = ">=1.4,<3" },
 ]
-provides-extras = ["community", "anthropic", "openai", "azure-ai", "cohere", "google-vertexai", "google-genai", "fireworks", "ollama", "together", "mistralai", "huggingface", "groq", "aws", "deepseek", "xai"]
+provides-extras = ["community", "anthropic", "openai", "azure-ai", "cohere", "google-vertexai", "google-genai", "fireworks", "ollama", "together", "mistralai", "huggingface", "groq", "aws", "deepseek", "xai", "perplexity"]
 
 [package.metadata.requires-dev]
 codespell = [{ name = "codespell", specifier = ">=2.2.0,<3.0.0" }]
@@ -1601,7 +1602,7 @@ typing = [
 
 [[package]]
 name = "langchain-community"
-version = "0.3.20"
+version = "0.3.21"
 source = { editable = "." }
 dependencies = [
     { name = "aiohttp" },
@@ -1747,7 +1748,7 @@ typing = [
 
 [[package]]
 name = "langchain-core"
-version = "0.3.49"
+version = "0.3.51"
 source = { editable = "../core" }
 dependencies = [
     { name = "jsonpatch" },
@@ -1841,7 +1842,7 @@ typing = [
 
 [[package]]
 name = "langchain-text-splitters"
-version = "0.3.7"
+version = "0.3.8"
 source = { editable = "../text-splitters" }
 dependencies = [
     { name = "langchain-core" },