diff --git a/ecs/restore-dbdump/Dockerfile b/ecs/restore-dbdump/Dockerfile
index 858c3dc9..cdfbd0f8 100644
--- a/ecs/restore-dbdump/Dockerfile
+++ b/ecs/restore-dbdump/Dockerfile
@@ -1,6 +1,10 @@
-FROM python:3.9
+FROM python:3.12-slim-bookworm
 
 ENV TZ="Asia/Tokyo"
+# pythonの標準出力をバッファリングしないフラグ
+ENV PYTHONUNBUFFERED=1
+# pythonのバイトコードを生成しないフラグ
+ENV PYTHONDONTWRITEBYTECODE=1
 
 WORKDIR /usr/src/app
 COPY Pipfile Pipfile.lock ./
@@ -12,6 +16,7 @@ RUN apt update && apt install -y less vim curl wget gzip unzip sudo lsb-release
 # mysqlをインストール
 RUN \
     wget https://dev.mysql.com/get/mysql-apt-config_0.8.29-1_all.deb && \
+    apt install -y gnupg && \
     dpkg -i mysql-apt-config_0.8.29-1_all.deb < mysql_dpkg_selection.txt && \
     apt update && \
     apt install -y mysql-client
diff --git a/ecs/restore-dbdump/Pipfile b/ecs/restore-dbdump/Pipfile
index f032c7ea..2cbab477 100644
--- a/ecs/restore-dbdump/Pipfile
+++ b/ecs/restore-dbdump/Pipfile
@@ -10,7 +10,7 @@ autopep8 = "*"
 flake8 = "*"
 
 [requires]
-python_version = "3.9"
+python_version = "3.12"
 
 [pipenv]
 allow_prereleases = true
diff --git a/ecs/restore-dbdump/Pipfile.lock b/ecs/restore-dbdump/Pipfile.lock
index 02f0cb52..399e2a98 100644
--- a/ecs/restore-dbdump/Pipfile.lock
+++ b/ecs/restore-dbdump/Pipfile.lock
@@ -1,11 +1,11 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "cc5f54bfb2073051a26f113ceac64e12fdd0bf8faa36f1a42210cc9c921c134b"
+            "sha256": "2f7808325e11704ced6ad10c85e1d583663a03d7ccabaa9696ab1fe133a6b30c"
         },
         "pipfile-spec": 6,
         "requires": {
-            "python_version": "3.9"
+            "python_version": "3.12"
         },
         "sources": [
             {
@@ -19,19 +19,21 @@
     "develop": {
         "autopep8": {
             "hashes": [
-                "sha256:1fa8964e4618929488f4ec36795c7ff12924a68b8bf01366c094fc52f770b6e7",
-                "sha256:2bb76888c5edbcafe6aabab3c47ba534f5a2c2d245c2eddced4a30c4b4946357"
+                "sha256:89440a4f969197b69a995e4ce0661b031f455a9f776d2c5ba3dbd83466931758",
+                "sha256:ce8ad498672c845a0c3de2629c15b635ec2b05ef8177a6e7c91c74f3e9b51128"
             ],
             "index": "pypi",
-            "version": "==2.1.0"
+            "markers": "python_version >= '3.9'",
+            "version": "==2.3.2"
         },
         "flake8": {
             "hashes": [
-                "sha256:33f96621059e65eec474169085dc92bf26e7b2d47366b70be2f67ab80dc25132",
-                "sha256:a6dfbb75e03252917f2473ea9653f7cd799c3064e54d4c8140044c5c065f53c3"
+                "sha256:1cbc62e65536f65e6d754dfe6f1bada7f5cf392d6f5db3c2b85892466c3e7c1a",
+                "sha256:c586ffd0b41540951ae41af572e6790dbd49fc12b3aa2541685d253d9bd504bd"
             ],
             "index": "pypi",
-            "version": "==7.0.0"
+            "markers": "python_full_version >= '3.8.1'",
+            "version": "==7.1.2"
         },
         "mccabe": {
             "hashes": [
@@ -43,11 +45,11 @@
         },
         "pycodestyle": {
             "hashes": [
-                "sha256:41ba0e7afc9752dfb53ced5489e89f8186be00e599e712660695b7a75ff2663f",
-                "sha256:44fe31000b2d866f2e41841b18528a505fbd7fef9017b04eff4e2648a0fadc67"
+                "sha256:46f0fb92069a7c28ab7bb558f05bfc0110dac69a0cd23c61ea0040283a9d78b3",
+                "sha256:6838eae08bbce4f6accd5d5572075c63626a15ee3e6f842df996bf62f6d73521"
             ],
             "markers": "python_version >= '3.8'",
-            "version": "==2.11.1"
+            "version": "==2.12.1"
         },
         "pyflakes": {
             "hashes": [
@@ -56,14 +58,6 @@
             ],
             "markers": "python_version >= '3.8'",
             "version": "==3.2.0"
-        },
-        "tomli": {
-            "hashes": [
-                "sha256:939de3e7a6161af0c887ef91b7d41a53e7c5a1ca976325f429cb46ea9bc30ecc",
-                "sha256:de526c12914f0c550d15924c62d72abc48d6fe7364aa87328337a31007fe8a4f"
-            ],
-            "markers": "python_version < '3.11'",
-            "version": "==2.0.1"
         }
     }
 }