diff --git a/RELEASE.md b/RELEASE.md
index 4d47d46..7bdec38 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -65,6 +65,7 @@ and newer platforms, we have to do the following:
   - [ ] Create a new development environment with Poetry.
   - [ ] Build the container image and ensure the development environment uses
     the new image.
+  - [ ] Download the OCR language data using `./install/common/download-tessdata.py`
   - [ ] Run the Dangerzone tests.
   - [ ] Build and run the Dangerzone .exe
   - [ ] Test some QA scenarios (see [Scenarios](#Scenarios) below).
@@ -73,6 +74,7 @@ and newer platforms, we have to do the following:
   - [ ] Create a new development environment with Poetry.
   - [ ] Build the container image and ensure the development environment uses
     the new image.
+  - [ ] Download the OCR language data using `./install/common/download-tessdata.py`
   - [ ] Run the Dangerzone tests.
   - [ ] Create and run an app bundle.
   - [ ] Test some QA scenarios (see [Scenarios](#Scenarios) below).
@@ -81,6 +83,7 @@ and newer platforms, we have to do the following:
   - [ ] Create a new development environment with Poetry.
   - [ ] Build the container image and ensure the development environment uses
     the new image.
+  - [ ] Download the OCR language data using `./install/common/download-tessdata.py`
   - [ ] Run the Dangerzone tests.
   - [ ] Create and run an app bundle.
   - [ ] Test some QA scenarios (see [Scenarios](#Scenarios) below).
@@ -89,6 +92,7 @@ and newer platforms, we have to do the following:
   - [ ] Create a new development environment with Poetry.
   - [ ] Build the container image and ensure the development environment uses
     the new image.
+  - [ ] Download the OCR language data using `./install/common/download-tessdata.py`
   - [ ] Run the Dangerzone tests.
   - [ ] Create a .deb package and install it system-wide.
   - [ ] Test some QA scenarios (see [Scenarios](#Scenarios) below).
@@ -97,6 +101,7 @@ and newer platforms, we have to do the following:
   - [ ] Create a new development environment with Poetry.
   - [ ] Build the container image and ensure the development environment uses
     the new image.
+  - [ ] Download the OCR language data using `./install/common/download-tessdata.py`
   - [ ] Run the Dangerzone tests.
   - [ ] Create an .rpm package and install it system-wide.
   - [ ] Test some QA scenarios (see [Scenarios](#Scenarios) below).