diff --git a/.github/actions/flatpak-external-data-checker/Dockerfile b/.github/actions/flatpak-external-data-checker/Dockerfile
index f16c226..8b63319 100644
--- a/.github/actions/flatpak-external-data-checker/Dockerfile
+++ b/.github/actions/flatpak-external-data-checker/Dockerfile
@@ -1,7 +1,7 @@
 FROM ghcr.io/flathub/flatpak-external-data-checker:latest
 
 RUN apt-get update && \
-    apt-get install -y gh jq parallel && \
+    apt-get install -y gh jq parallel curl && \
     apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 ADD gh-ls-org /usr/local/bin/gh-ls-org