diff --git a/.ci/common.sh b/.ci/common.sh
index 78f12c5..12b122e 100644
--- a/.ci/common.sh
+++ b/.ci/common.sh
@@ -53,7 +53,8 @@
     # these are required by vscode itself, plus xvfb for for running vscode headless
     # xvfb should already be installed but better to be clear that we need it.
     # (libsecret-1-dev and below are for node deps)
-    sudo apt-get install -y \
+    sudo apt-get update
+    sudo apt-get install --fix-missing -y \
     libnss3 libatk1.0 libatk-bridge2.0 libdrm2 \
     libgtk-3-0 libpango-1.0 libcairo2 libgdk-pixbuf2.0 \
     libxcomposite1 libxdamage1 libxfixes3 libxrandr2 \