diff --git a/poetry.lock b/poetry.lock
index c977259f0c5d..3b52cf6eacdd 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -3866,7 +3866,7 @@ six = "*"
 
 [[package]]
 name = "langflow-base"
-version = "0.0.33"
+version = "0.0.34"
 description = "A Python package with a built-in web application"
 optional = false
 python-versions = ">=3.10,<3.12"
@@ -3920,13 +3920,13 @@ url = "src/backend/base"
 
 [[package]]
 name = "langfuse"
-version = "2.25.0"
+version = "2.26.0"
 description = "A client library for accessing langfuse"
 optional = false
 python-versions = "<4.0,>=3.8.1"
 files = [
-    {file = "langfuse-2.25.0-py3-none-any.whl", hash = "sha256:931c70b26f14b948faa4d668c93834ac9d23b4c2598b8eb4be1118aa7538afdd"},
-    {file = "langfuse-2.25.0.tar.gz", hash = "sha256:74ddb34303f43b5c6a7b1feedb8b4722bc16f050f1ba329a68da2319e2a1b618"},
+    {file = "langfuse-2.26.0-py3-none-any.whl", hash = "sha256:083e7d120d18bbe70b9d4d06f33483b96795110d2ebb2aed2e78d65c079a3ced"},
+    {file = "langfuse-2.26.0.tar.gz", hash = "sha256:c872a2cd5874bfad9780a6fcc7baa16c40de40cd50ce78d8fce59b01233d0464"},
 ]
 
 [package.dependencies]
@@ -3943,13 +3943,13 @@ openai = ["openai (>=0.27.8)"]
 
 [[package]]
 name = "langsmith"
-version = "0.1.46"
+version = "0.1.47"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 optional = false
 python-versions = "<4.0,>=3.8.1"
 files = [
-    {file = "langsmith-0.1.46-py3-none-any.whl", hash = "sha256:459b76b25fe3b86e7bf5521f4dc8c3f796de288ceb3e0d05c99db4d509edaabf"},
-    {file = "langsmith-0.1.46.tar.gz", hash = "sha256:a5a96259e411641633561575b567c2139bede997f7104eeedb59cb9511416d1b"},
+    {file = "langsmith-0.1.47-py3-none-any.whl", hash = "sha256:17b0a908b8d39b6da3ecff658c8c00304b0b62f59945a5e16c2da5a254ea21a6"},
+    {file = "langsmith-0.1.47.tar.gz", hash = "sha256:f5ddd17628baa03a775525c5547a543a559313e425cdb2bf23579ffcf6056a76"},
 ]
 
 [package.dependencies]
@@ -3976,13 +3976,13 @@ regex = ["regex"]
 
 [[package]]
 name = "litellm"
-version = "1.35.2"
+version = "1.35.4"
 description = "Library to easily interface with LLM API providers"
 optional = false
 python-versions = "!=2.7.*,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,!=3.7.*,>=3.8"
 files = [
-    {file = "litellm-1.35.2-py3-none-any.whl", hash = "sha256:686ee040154d7062b0078d882fa6399c5c7cc5ec9b5266490dee68f1b8905a36"},
-    {file = "litellm-1.35.2.tar.gz", hash = "sha256:062e5be75196da7348ae0c4f60d396f0b23ee874708ed81c40f7675161213385"},
+    {file = "litellm-1.35.4-py3-none-any.whl", hash = "sha256:d07f6ca96c275cb286ba5d0e8b2df9d02ea3919dcb45fcd6c3e4257d51911776"},
+    {file = "litellm-1.35.4.tar.gz", hash = "sha256:760175fe4fb8a8e71b2d4b739a93fbb9f2ef8813b1ead98862cdf30dc6bb77be"},
 ]
 
 [package.dependencies]
@@ -4254,22 +4254,24 @@ llama-index-program-openai = ">=0.1.1,<0.2.0"
 
 [[package]]
 name = "llama-index-readers-file"
-version = "0.1.16"
+version = "0.1.17"
 description = "llama-index readers file integration"
 optional = false
 python-versions = "<4.0,>=3.8.1"
 files = [
-    {file = "llama_index_readers_file-0.1.16-py3-none-any.whl", hash = "sha256:1a3f3bc1f09c6894318a5392edc43b118fabc2f2820f446c51cad73676662f73"},
-    {file = "llama_index_readers_file-0.1.16.tar.gz", hash = "sha256:7f25b8fddaf1a91bac06c66727b913b48e26ef68714fcd5197051b3f710f4cfa"},
+    {file = "llama_index_readers_file-0.1.17-py3-none-any.whl", hash = "sha256:4c14d489716704246bd65c08e0f8ea6005cf63cca5b94df38667598b1d3d1937"},
+    {file = "llama_index_readers_file-0.1.17.tar.gz", hash = "sha256:240660ca93c04383fc4aebfa9c9bdaeb43790a533e6886b4631a5fc7f00190ca"},
 ]
 
 [package.dependencies]
 beautifulsoup4 = ">=4.12.3,<5.0.0"
 llama-index-core = ">=0.10.1,<0.11.0"
-pymupdf = ">=1.23.21,<2.0.0"
 pypdf = ">=4.0.1,<5.0.0"
 striprtf = ">=0.0.26,<0.0.27"
 
+[package.extras]
+pymupdf = ["pymupdf (>=1.23.21,<2.0.0)"]
+
 [[package]]
 name = "llama-index-readers-llama-parse"
 version = "0.1.4"
@@ -5449,36 +5451,36 @@ full = ["XLMMacroDeobfuscator"]
 
 [[package]]
 name = "onnxruntime"
-version = "1.17.1"
+version = "1.17.3"
 description = "ONNX Runtime is a runtime accelerator for Machine Learning models"
 optional = false
 python-versions = "*"
 files = [
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+    {file = "onnxruntime-1.17.3-cp39-cp39-manylinux_2_27_x86_64.manylinux_2_28_x86_64.whl", hash = "sha256:cf6c37483782e4785019b56e26224a25e9b9a35b849d0169ce69189867a22bb1"},
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 ]
 
 [package.dependencies]
@@ -5491,13 +5493,13 @@ sympy = "*"
 
 [[package]]
 name = "openai"
-version = "1.17.0"
+version = "1.17.1"
 description = "The official Python library for the openai API"
 optional = false
 python-versions = ">=3.7.1"
 files = [
-    {file = "openai-1.17.0-py3-none-any.whl", hash = "sha256:72464cdb0602a57af87acb4888b1a48a1c02182cc9f09d2f2f3200b185223d5f"},
-    {file = "openai-1.17.0.tar.gz", hash = "sha256:72e6758cec080a3e5a9daf843178c975fed656fe0831919f4dd89bb62431724f"},
+    {file = "openai-1.17.1-py3-none-any.whl", hash = "sha256:d42e0d7a692c7b78cbae21598df5ded396abecf6c285325635ec62621e6c82f1"},
+    {file = "openai-1.17.1.tar.gz", hash = "sha256:c5a909e70e2b4cd04ef4076b68497c4eb894704cf8ab23d32d6552931fda6e5b"},
 ]
 
 [package.dependencies]
@@ -6114,13 +6116,13 @@ tests = ["pytest (>=5.4.1)", "pytest-cov (>=2.8.1)", "pytest-mypy (>=0.8.0)", "p
 
 [[package]]
 name = "postgrest"
-version = "0.16.2"
+version = "0.16.3"
 description = "PostgREST client for Python. This library provides an ORM interface to PostgREST."
 optional = false
 python-versions = "<4.0,>=3.8"
 files = [
-    {file = "postgrest-0.16.2-py3-none-any.whl", hash = "sha256:cf89106d0877ac2c7b070ad136f78350eb89dbdd998cd83d6852010e0bcdb878"},
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 ]
 
 [package.dependencies]
@@ -6948,64 +6950,6 @@ snappy = ["python-snappy"]
 test = ["pytest (>=7)"]
 zstd = ["zstandard"]
 
-[[package]]
-name = "pymupdf"
-version = "1.24.1"
-description = "A high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents."
-optional = false
-python-versions = ">=3.8"
-files = [
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-]
-
-[package.dependencies]
-PyMuPDFb = "1.24.1"
-
-[[package]]
-name = "pymupdfb"
-version = "1.24.1"
-description = "MuPDF shared libraries for PyMuPDF."
-optional = false
-python-versions = ">=3.8"
-files = [
-    {file = "PyMuPDFb-1.24.1-py3-none-macosx_10_9_x86_64.whl", hash = "sha256:37179e363bf69ce9be637937c5469957b96968341dabe3ce8f4b690a82e9ad92"},
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-]
-
 [[package]]
 name = "pyparsing"
 version = "2.4.7"
@@ -7748,18 +7692,18 @@ full = ["numpy"]
 
 [[package]]
 name = "realtime"
-version = "1.0.3"
+version = "1.0.4"
 description = ""
 optional = false
 python-versions = "<4.0,>=3.8"
 files = [
-    {file = "realtime-1.0.3-py3-none-any.whl", hash = "sha256:809b99a1c09390a4580ca2d37d84c85dffacb1804f80c6f5a4491d312c20e6e3"},
-    {file = "realtime-1.0.3.tar.gz", hash = "sha256:1a39b5dcdb345b4cc7fd43bc035feb38ca915c9248962f20d264625bc8eb2c4e"},
+    {file = "realtime-1.0.4-py3-none-any.whl", hash = "sha256:b06bea001985f089167320bda1e91c6b2d866f56ca810bb8d768ee3cf695ee21"},
+    {file = "realtime-1.0.4.tar.gz", hash = "sha256:a9095f60121a365e84656c582e6ccd8dc8b3a732ddddb2ccd26cc3d32b77bdf6"},
 ]
 
 [package.dependencies]
 python-dateutil = ">=2.8.1,<3.0.0"
-typing-extensions = ">=4.2.0,<5.0.0"
+typing-extensions = ">=4.11.0,<5.0.0"
 websockets = ">=11,<13"
 
 [[package]]
@@ -8288,13 +8232,13 @@ transformers = ">=4.32.0,<5.0.0"
 
 [[package]]
 name = "setuptools"
-version = "69.4.0"
+version = "69.5.0"
 description = "Easily download, build, install, upgrade, and uninstall Python packages"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "setuptools-69.4.0-py3-none-any.whl", hash = "sha256:b6df12d754b505e4ca283c61582d5578db83ae2f56a979b3bc9a8754705ae3bf"},
-    {file = "setuptools-69.4.tar.gz", hash = "sha256:659e902e587e77fab8212358f5b03977b5f0d18d4724310d4a093929fee4ca1a"},
+    {file = "setuptools-69.5.0-py3-none-any.whl", hash = "sha256:3b2dbd8f63dcc6b7c327d0243c2d7dc8c96cc507c016f09221f3787e6e528719"},
+    {file = "setuptools-69.5.0.tar.gz", hash = "sha256:8d881f842bfc0e29e93bc98a2e650e8845609adff4d2989ba6c748e67b09d5be"},
 ]
 
 [package.extras]
diff --git a/pyproject.toml b/pyproject.toml
index ce62cbaac324..1203a84cc05c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langflow"
-version = "1.0.0a21"
+version = "1.0.0a22"
 description = "A Python package with a built-in web application"
 authors = ["Logspace <contact@logspace.ai>"]
 maintainers = [
diff --git a/src/backend/base/langflow/alembic/versions/58b28437a398_modify_nullable.py b/src/backend/base/langflow/alembic/versions/58b28437a398_modify_nullable.py
new file mode 100644
index 000000000000..ead1ca30acb3
--- /dev/null
+++ b/src/backend/base/langflow/alembic/versions/58b28437a398_modify_nullable.py
@@ -0,0 +1,66 @@
+"""Modify nullable
+
+Revision ID: 58b28437a398
+Revises: 4e5980a44eaa
+Create Date: 2024-04-13 10:57:23.061709
+
+"""
+
+from typing import Sequence, Union
+
+import sqlalchemy as sa
+from alembic import op
+from loguru import logger
+from sqlalchemy.engine.reflection import Inspector
+
+down_revision: Union[str, None] = "4e5980a44eaa"
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+# Revision identifiers, used by Alembic.
+revision = "58b28437a398"
+down_revision = "4e5980a44eaa"
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    conn = op.get_bind()
+    inspector = Inspector.from_engine(conn)
+    tables = ["apikey", "variable"]  # List of tables to modify
+
+    for table_name in tables:
+        modify_nullable(conn, inspector, table_name, upgrade=True)
+
+
+def downgrade():
+    conn = op.get_bind()
+    inspector = Inspector.from_engine(conn)
+    tables = ["apikey", "variable"]  # List of tables to revert
+
+    for table_name in tables:
+        modify_nullable(conn, inspector, table_name, upgrade=False)
+
+
+def modify_nullable(conn, inspector, table_name, upgrade=True):
+    columns = inspector.get_columns(table_name)
+    nullable_changes = {"apikey": {"created_at": False}, "variable": {"created_at": True, "updated_at": True}}
+
+    if table_name in columns:
+        with op.batch_alter_table(table_name, schema=None) as batch_op:
+            for column_name, nullable_setting in nullable_changes.get(table_name, {}).items():
+                column_info = next((col for col in columns if col["name"] == column_name), None)
+                if column_info:
+                    current_nullable = column_info["nullable"]
+                    target_nullable = nullable_setting if upgrade else not nullable_setting
+
+                    if current_nullable != target_nullable:
+                        batch_op.alter_column(
+                            column_name, existing_type=sa.DateTime(timezone=True), nullable=target_nullable
+                        )
+                    else:
+                        logger.info(
+                            f"Column '{column_name}' in table '{table_name}' already has nullable={target_nullable}"
+                        )
+                else:
+                    logger.warning(f"Column '{column_name}' not found in table '{table_name}'")
diff --git a/src/backend/base/poetry.lock b/src/backend/base/poetry.lock
index 96852ea9dd49..0401ba40767a 100644
--- a/src/backend/base/poetry.lock
+++ b/src/backend/base/poetry.lock
@@ -1146,13 +1146,13 @@ extended-testing = ["lxml (>=5.1.0,<6.0.0)"]
 
 [[package]]
 name = "langsmith"
-version = "0.1.46"
+version = "0.1.47"
 description = "Client library to connect to the LangSmith LLM Tracing and Evaluation Platform."
 optional = false
 python-versions = "<4.0,>=3.8.1"
 files = [
-    {file = "langsmith-0.1.46-py3-none-any.whl", hash = "sha256:459b76b25fe3b86e7bf5521f4dc8c3f796de288ceb3e0d05c99db4d509edaabf"},
-    {file = "langsmith-0.1.46.tar.gz", hash = "sha256:a5a96259e411641633561575b567c2139bede997f7104eeedb59cb9511416d1b"},
+    {file = "langsmith-0.1.47-py3-none-any.whl", hash = "sha256:17b0a908b8d39b6da3ecff658c8c00304b0b62f59945a5e16c2da5a254ea21a6"},
+    {file = "langsmith-0.1.47.tar.gz", hash = "sha256:f5ddd17628baa03a775525c5547a543a559313e425cdb2bf23579ffcf6056a76"},
 ]
 
 [package.dependencies]
diff --git a/src/backend/base/pyproject.toml b/src/backend/base/pyproject.toml
index f525957a42ba..cc69ada3c85c 100644
--- a/src/backend/base/pyproject.toml
+++ b/src/backend/base/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langflow-base"
-version = "0.0.33"
+version = "0.0.34"
 description = "A Python package with a built-in web application"
 authors = ["Logspace <contact@logspace.ai>"]
 maintainers = [