diff --git a/dev_scripts/env.py b/dev_scripts/env.py
index c82b7b6..56612f4 100755
--- a/dev_scripts/env.py
+++ b/dev_scripts/env.py
@@ -141,6 +141,11 @@ USER user
 WORKDIR /home/user
 VOLUME /home/user/dangerzone
 
+# Force Podman to use a specific configuration.
+# See https://github.com/freedomofpress/dangerzone/issues/489
+RUN mkdir -p /home/user/.config/containers
+COPY storage.conf /home/user/.config/containers
+
 # Install Poetry under ~/.local/bin.
 # See https://github.com/freedomofpress/dangerzone/issues/351
 # FIXME: pipx install poetry does not work for Ubuntu Focal.
@@ -188,6 +193,12 @@ RUN echo user:2000:2000 > /etc/subgid
 
 USER user
 WORKDIR /home/user
+
+########################################
+# Force Podman to use a specific configuration.
+# See https://github.com/freedomofpress/dangerzone/issues/489
+RUN mkdir -p /home/user/.config/containers
+COPY storage.conf /home/user/.config/containers
 """
 
 
@@ -446,6 +457,7 @@ class Env:
         # Populate the build context.
         shutil.copy(git_root() / "pyproject.toml", build_dir)
         shutil.copy(git_root() / "poetry.lock", build_dir)
+        shutil.copy(git_root() / "dev_scripts" / "storage.conf", build_dir)
         with open(build_dir / "Dockerfile", mode="w") as f:
             f.write(dockerfile)
 
@@ -492,6 +504,7 @@ class Env:
 
         # Populate the build context.
         shutil.copy(package_src, package_dst)
+        shutil.copy(git_root() / "dev_scripts" / "storage.conf", build_dir)
         with open(build_dir / "Dockerfile", mode="w") as f:
             f.write(dockerfile)
 
diff --git a/dev_scripts/storage.conf b/dev_scripts/storage.conf
new file mode 100644
index 0000000..2f4bc14
--- /dev/null
+++ b/dev_scripts/storage.conf
@@ -0,0 +1,2 @@
+[storage]
+driver = "overlay"