diff --git a/Containerfile.slim b/Containerfile.slim
index d8c2117..be173b5 100644
--- a/Containerfile.slim
+++ b/Containerfile.slim
@@ -20,7 +20,8 @@ RUN pip install --no-cache-dir --upgrade "pip>=25.3" wheel
 
 # Install Python dependencies (includes security pins from requirements.txt)
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt gunicorn
+RUN pip install --no-cache-dir -r requirements.txt gunicorn && \
+    pip install --no-cache-dir --force-reinstall "jaraco.context>=6.1.0"
 
 
 # Stage 2: Alpine runtime (minimal)
@@ -32,7 +33,9 @@ LABEL description="Minimal secure pastebin REST API (Alpine)"
 # Apply security fixes to base image (versions from requirements.txt)
 COPY requirements.txt /tmp/
 RUN pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir -r /tmp/requirements.txt && rm /tmp/requirements.txt
+    pip install --no-cache-dir -r /tmp/requirements.txt && \
+    pip install --no-cache-dir --force-reinstall "jaraco.context>=6.1.0" && \
+    rm /tmp/requirements.txt
 
 # Create non-root user
 RUN addgroup -g 65532 -S flaskpaste && adduser -u 65532 -S -G flaskpaste flaskpaste