diff --git a/build/simple/Dockerfile b/build/simple/Dockerfile
index 3205b7f9..da3a25df 100644
--- a/build/simple/Dockerfile
+++ b/build/simple/Dockerfile
@@ -13,7 +13,7 @@
 # limitations under the License.
 
 
-FROM python:3.11.4-slim as base
+FROM python:3.11.14-slim as base
 
 ARG ENV
 ARG PIP_DISABLE_PIP_VERSION_CHECK=1
@@ -26,4 +26,12 @@ COPY simple/ .
 COPY build/simple/run.sh .
 
 RUN pip3 install -r /workspace/requirements.txt
-CMD ./run.sh
\ No newline at end of file
+
+RUN pip3 install --upgrade \
+        pip \
+        setuptools \
+        "wheel==0.46.2" \
+        "urllib3==2.6.3" \
+    && apt-get clean && rm -rf /var/lib/apt/lists/*
+    
+CMD ./run.sh
diff --git a/simple/requirements.txt b/simple/requirements.txt
index a06f59fe..866ded34 100644
--- a/simple/requirements.txt
+++ b/simple/requirements.txt
@@ -15,9 +15,9 @@ numpy==1.25.2
 pandas==2.1.0
 parameterized==0.9.0
 platformdirs==3.10.0
-protobuf==4.25.3
+protobuf==6.33.5
 PyLD==2.0.4
-PyMySQL==1.1.0
+PyMySQL==1.1.1
 python-dateutil==2.8.2
 pytest==7.4.2
 PyYAML==6.0.1
diff --git a/simple/util/dc_client.py b/simple/util/dc_client.py
index 231faac6..918ab50f 100644
--- a/simple/util/dc_client.py
+++ b/simple/util/dc_client.py
@@ -70,9 +70,35 @@ def get_api_root():
   return os.environ.get(_API_ROOT_ENV, _DEFAULT_API_ROOT)
 
 
+def mask_key(key: str, show: int = 5, max_visible_percent: float = 0.3) -> str:
+  """Masks a key for logging purposes, showing only parts of it.
+
+  Args:
+    key: The string key to mask.
+    show: The number of characters to show from each end of the key.
+    max_visible_percent: The maximum percentage of the key's length that can be
+      visible from both ends combined.
+
+  Returns:
+    A masked string of the key.
+  """
+  if not key:
+    return ""
+
+  length = len(key)
+  max_visible = int(length * max_visible_percent)
+  visible_each_side = min(show, max_visible // 2)
+
+  if visible_each_side < 1 or length <= visible_each_side * 2:
+    return "*" * length
+
+  middle = "*" * (length - visible_each_side * 2)
+  return f"{key[:visible_each_side]}{middle}{key[-visible_each_side:]}"
+
+
 if _DEBUG:
   logging.info("DC API Root: %s", get_api_root())
-  logging.info("DC API Key: %s", get_api_key())
+  logging.info("DC API Key: %s", mask_key(get_api_key()))
   os.makedirs(_DEBUG_FOLDER, exist_ok=True)