diff --git a/build_image.py b/build_image.py
index be7bed10d..f7dae5db5 100644
--- a/build_image.py
+++ b/build_image.py
@@ -9,6 +9,9 @@
 import pkg_resources
 import yaml
 
+DEFAULT_PYTHON_IMAGE = (
+    "python:3.8-bullseye@sha256:e1cd369204123e89646f8c001db830eddfe3e381bd5c837df00141be3bd754cb"
+)
 BASE_DOCKERFILE = "base.Dockerfile"
 FINISH_DOCKERFILE = "finish.Dockerfile"
 
@@ -33,6 +36,7 @@ class OfrakImageConfig:
     install_target: InstallTarget
     cache_from: List[str]
     entrypoint: Optional[str]
+    python_image: str
 
     def validate_serial_txt_existence(self):
         """
@@ -171,6 +175,7 @@ def parse_args() -> OfrakImageConfig:
         InstallTarget(args.target),
         args.cache_from,
         config_dict.get("entrypoint"),
+        config_dict.get("python_image", DEFAULT_PYTHON_IMAGE),
     )
     image_config.validate_serial_txt_existence()
     return image_config
@@ -207,7 +212,7 @@ def create_dockerfile_base(config: OfrakImageConfig) -> str:
         dockerfile_base_parts += [f"### {dockerstage_path}", dockerstub]
 
     dockerfile_base_parts += [
-        "FROM python:3.8-bullseye@sha256:e1cd369204123e89646f8c001db830eddfe3e381bd5c837df00141be3bd754cb",
+        f"FROM {config.python_image}",
         "",
     ]
 
diff --git a/ofrak_core/Dockerstub b/ofrak_core/Dockerstub
index b81261935..50188bd3f 100644
--- a/ofrak_core/Dockerstub
+++ b/ofrak_core/Dockerstub
@@ -59,12 +59,6 @@ RUN cd /tmp && \
     cd /tmp && \
     rm -r squashfs-tools
 
-# Install Jefferson
-WORKDIR /tmp
-RUN wget https://bootstrap.pypa.io/pip/get-pip.py && python3.9 get-pip.py && python3.8 get-pip.py && rm get-pip.py
-RUN python3.9 -m pip install jefferson
-WORKDIR /
-
 # Install UEFIExtract (build from source, pinned to releae A68)
 RUN cd /tmp && \
     wget https://github.com/LongSoft/UEFITool/archive/refs/tags/A68.zip && \