diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 00e557d..82789cc 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Setup Python
         uses: actions/setup-python@v2
         with:
-          python-version: "3.11"
+          python-version: "3.12"
 
       - name: Install pipenv
         run: |
diff --git a/.github/workflows/terraform.yml b/.github/workflows/terraform.yml
index 6bf06e4..caff50c 100644
--- a/.github/workflows/terraform.yml
+++ b/.github/workflows/terraform.yml
@@ -29,7 +29,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: "3.11"
+          python-version: "3.12"
 
       - name: Install Lambda (Python) dependencies
         run: |
diff --git a/.python-version b/.python-version
index 2c07333..e4fba21 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.11
+3.12
diff --git a/Pipfile b/Pipfile
index 59679e4..c32de93 100644
--- a/Pipfile
+++ b/Pipfile
@@ -15,7 +15,7 @@ black = "*"
 tomli = "*"
 
 [requires]
-python_version = "3.11"
+python_version = "3.12"
 
 [scripts]
 test = "pytest test/ -v"
diff --git a/Pipfile.lock b/Pipfile.lock
index 9919635..e46c3a2 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,11 +1,11 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "599034e116f96b76b5c83ce3869ed82864ffab29bdb0067ba6f4d492f2316dc9"
+            "sha256": "5f873623f92c36325f186a43b5febe7448b376738299da603d878b8e5502d2d8"
         },
         "pipfile-spec": 6,
         "requires": {
-            "python_version": "3.11"
+            "python_version": "3.12"
         },
         "sources": [
             {
@@ -1688,7 +1688,7 @@
                 "sha256:0cea48d173cc12fa28ecabc3b837ea3cf6f38c6d1136f85cbaaf598984861466",
                 "sha256:f0fa19c6845758ab08074a0cfa8b7aecb71c999ca73d62883bc25cc018c4e548"
             ],
-            "markers": "python_version >= '3.9'",
+            "markers": "python_version < '3.13'",
             "version": "==4.15.0"
         },
         "typing-inspection": {
diff --git a/template.yml b/template.yml
index 380984c..bd65162 100644
--- a/template.yml
+++ b/template.yml
@@ -25,7 +25,7 @@ Resources:
     Properties:
       CodeUri: src/
       Handler: app.lambda_handler
-      Runtime: python3.11
+      Runtime: python3.12
       Timeout: 5
       Architectures:
         - x86_64
diff --git a/terraform/variables.tf b/terraform/variables.tf
index a3e93e4..8c91be9 100644
--- a/terraform/variables.tf
+++ b/terraform/variables.tf
@@ -17,7 +17,7 @@ variable "region" {
 
 variable "python_runtime" {
   type        = string
-  default     = "python3.11"
+  default     = "python3.12"
   description = "runtime on which lambda python code will run"
 }