diff --git a/.circleci/config.yml b/.circleci/config.yml
index dfe0beb469..357b6437f0 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -5,7 +5,7 @@ common-steps:
       name: Install testing dependencies
       command: |
         set -e
-        apt update && apt install -y git gnupg libqt5x11extras5 make python3-tk python3-dev gnupg python3-venv sqlite3 xvfb
+        apt update && apt install -y git gnupg libarchive13 libmagic1 libqt5x11extras5 make python3-tk python3-dev gnupg python3-venv sqlite3 xvfb
 
   - &configure_locales
     run:
diff --git a/Makefile b/Makefile
index 15933ed3a9..acc549a0c8 100644
--- a/Makefile
+++ b/Makefile
@@ -244,6 +244,6 @@ $(POT): securedrop_client
 
 .PHONY: verify-mo
 verify-mo: ## Verify that all gettext machine objects (.mo) are reproducible from their catalogs (.po).
-	@scripts/verify-mo.py ${LOCALE_DIR}/*
+	@TERM=dumb scripts/verify-mo.py ${LOCALE_DIR}/*
 	@# All good; now clean up.
 	@git restore "${LOCALE_DIR}/**/*.po"