diff --git a/Dockerfile b/Dockerfile
index bfb7399..2e2c566 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -37,11 +37,8 @@
     IO::Compress::Zip \
     IO::Uncompress::Unzip \
     Log::Any \
-    Time::Progress
-
-# XML::Loy is only needed by the bundled test helpers. Do not run its
-# upstream test suite during the production image build.
-RUN cpm install --show-build-log-on-failure -g XML::Loy
+    Time::Progress \
+    XML::Loy
 
 # Run Makefile.PL and install (this will install share files properly)
 RUN perl Makefile.PL && make install