diff --git a/.github/workflows/ci-with-bnp.yaml b/.github/workflows/ci-with-bnp.yaml
index a94c3f6..29002ba 100644
--- a/.github/workflows/ci-with-bnp.yaml
+++ b/.github/workflows/ci-with-bnp.yaml
@@ -10,7 +10,7 @@ permissions:
   packages: write
 
 env:
-  PYTHON_VERSION: "3.11"
+  PYTHON_VERSION: "3.13"
   HATCH_VERSION: "1.16.2"
   DOCKER_BUILDX_VERSION: "v0.30.1"
   XP_CHANNEL: stable
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index d7e014c..9fb9e0f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -15,7 +15,7 @@ permissions:
   packages: write
 
 env:
-  PYTHON_VERSION: "3.11"
+  PYTHON_VERSION: "3.13"
   HATCH_VERSION: "1.16.2"
   DOCKER_BUILDX_VERSION: "v0.30.1"
   XP_CHANNEL: stable
diff --git a/pyproject.toml b/pyproject.toml
index 097b623..a2b5e3b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ build-backend = "hatchling.build"
 name = "function-eapi"
 description = 'A composition function'
 readme = "README.md"
-requires-python = ">=3.11,<3.12"
+requires-python = "~=3.13"
 license = "Apache-2.0"
 keywords = []
 authors = [
@@ -15,15 +15,14 @@ authors = [
 classifiers = [
   "Development Status :: 3 - Alpha",
   "Programming Language :: Python",
-  "Programming Language :: Python :: 3.11",
 ]
 
 dependencies = [
   "jsonrpcclient==4.0.3",
-  "crossplane-function-sdk-python==0.9.0",
+  "crossplane-function-sdk-python==0.11.0",
   "click==8.3.1",
-  "grpcio==1.74.0",
-  "protobuf==6.31.1"
+  "grpcio==1.76.0",
+  "protobuf==6.33.5"
 ]
 
 dynamic = ["version"]
@@ -57,7 +56,7 @@ dependencies = ["ruff==0.12.7"]
 config-path = "none"           # Disable Hatch's default Ruff config.
 
 [tool.ruff]
-target-version = "py311"
+target-version = "py313"
 exclude = ["function/proto/*"]
 
 [tool.ruff.lint]