diff --git a/README.md b/README.md
index 97516ba..f362457 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ dependencies and installs them with `uv`.
 `packages.txt` is the single source of truth, read during the image build.
 Current contents:
 
-- core: `git`, `curl`, `ca-certificates`
+- core: `git`, `curl`, `ca-certificates`, `vim`
 - I2C: `i2c-tools`
 - rpi-lgpio build toolchain (lgpio compiles from source at `uv sync`): `swig`, `python3-dev`, `liblgpio-dev`
 - kivy runtime: `libsdl2-2.0-0`, `libsdl2-image-2.0-0`, `libsdl2-mixer-2.0-0`, `libsdl2-ttf-2.0-0`, `libmtdev1`, `libgl1-mesa-dri`
diff --git a/packages.txt b/packages.txt
index c81c590..31ce65d 100644
--- a/packages.txt
+++ b/packages.txt
@@ -1,6 +1,7 @@
 git
 curl
 ca-certificates
+vim
 
 i2c-tools