diff --git a/building/lambda/build-lambda-layer.sh b/building/lambda/build-lambda-layer.sh
index 170af270e..cbf0348d6 100755
--- a/building/lambda/build-lambda-layer.sh
+++ b/building/lambda/build-lambda-layer.sh
@@ -11,7 +11,7 @@ popd
 rm -rf dist arrow
 
 export ARROW_HOME=$(pwd)/dist
-export ARROW_VERSION=20.0.0
+export ARROW_VERSION=21.0.0
 export LD_LIBRARY_PATH=$(pwd)/dist/lib:$LD_LIBRARY_PATH
 export CMAKE_PREFIX_PATH=$ARROW_HOME:$CMAKE_PREFIX_PATH
 export SETUPTOOLS_SCM_PRETEND_VERSION=$ARROW_VERSION
diff --git a/pyproject.toml b/pyproject.toml
index 2c5495951..18befb8ef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,7 @@ dependencies = [
     "botocore>=1.23.32,<2",
     "pandas>=1.2.0,<3.0.0",
     "numpy>=1.26,<3.0",
-    "pyarrow>=8.0.0,<21.0.0",
+    "pyarrow>=8.0.0,<22.0.0",
     "typing-extensions>=4.4.0,<5",
     "packaging>=21.1,<26.0",
     "setuptools ; python_version >= '3.12'",
diff --git a/uv.lock b/uv.lock
index 98fb3cf07..68f6d62ec 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,5 +1,5 @@
 version = 1
-revision = 3
+revision = 2
 requires-python = ">=3.9, <4.0"
 resolution-markers = [
     "python_full_version >= '3.14'",
@@ -550,7 +550,7 @@ requires-dist = [
     { name = "pandas", specifier = ">=1.2.0,<3.0.0" },
     { name = "pg8000", marker = "extra == 'postgres'", specifier = ">=1.29.0,<2" },
     { name = "progressbar2", marker = "extra == 'progressbar'", specifier = ">=4.0.0,<5" },
-    { name = "pyarrow", specifier = ">=8.0.0,<21.0.0" },
+    { name = "pyarrow", specifier = ">=8.0.0,<22.0.0" },
     { name = "pymysql", marker = "extra == 'mysql'", specifier = ">=1.0.0,<2" },
     { name = "pyodbc", marker = "extra == 'sqlserver'", specifier = ">=4,<6" },
     { name = "ray", extras = ["default", "data"], marker = "extra == 'ray'", specifier = ">=2.49.0,<3" },