diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6e19d03a4..1d298fc2f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ on:
 env:
   # This is the version of pipenv all the steps will use
   # If changing this, change Dockerfile
-  DEFAULT_PIP_ENV_VERSION: "2023.11.15"
+  DEFAULT_PIP_ENV_VERSION: "2023.12.1"
   # This is the default version of Python to use in most steps which aren't specific
   DEFAULT_PYTHON_VERSION: "3.10"
 
diff --git a/Dockerfile b/Dockerfile
index ea5bd6026..e113f975c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -29,7 +29,7 @@ COPY Pipfile* ./
 
 RUN set -eux \
   && echo "Installing pipenv" \
-    && python3 -m pip install --no-cache-dir --upgrade pipenv==2023.11.15 \
+    && python3 -m pip install --no-cache-dir --upgrade pipenv==2023.12.1 \
   && echo "Generating requirement.txt" \
     && pipenv requirements > requirements.txt