diff --git a/docker/Dockerfile.fluke b/docker/Dockerfile.fluke
index a227e9f..0b4f0ce 100644
--- a/docker/Dockerfile.fluke
+++ b/docker/Dockerfile.fluke
@@ -40,7 +40,10 @@ RUN set -ex \
 		coreutils \
 		linux-headers \
 		build-base \
-		libxml2
+		libxml2 \
+		libxml2-dev \
+		libcurl \
+		curl-dev
 
 ENV RUBYGEMS_VERSION 2.6.10
 RUN gem update --system "$RUBYGEMS_VERSION"