diff --git a/Makefile b/Makefile
index 499b81b..0cc8df1 100644
--- a/Makefile
+++ b/Makefile
@@ -66,4 +66,4 @@ test:
 		python -c "from cryptography.hazmat.backends.openssl.backend import backend; backend._enable_fips(); print(backend._fips_enabled)"
 	# Test LXML & xmlsec
 	docker run --rm ${IMAGE_REPO}/${IMAGE_PREFIX}-python:${PYTHON_VERSION}-slim-${DEBIAN_CODENAME}-fips-full \
-		python -c "import xmlsec; from lxml import etree"
+		python -c "import xmlsec; from lxml import etree; print(xmlsec.get_libxml_version(), xmlsec.get_libxmlsec_version(), etree.LIBXML_COMPILED_VERSION)"
diff --git a/python-fips-full/Dockerfile b/python-fips-full/Dockerfile
index 0b31b82..b5a4525 100644
--- a/python-fips-full/Dockerfile
+++ b/python-fips-full/Dockerfile
@@ -27,4 +27,7 @@ FROM ${BUILD_IMAGE}
 
 COPY --from=build /wheels /wheels
 
-RUN pip install /wheels/*
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends libltdl7 libxslt1.1 && \
+    pip install /wheels/* && \
+    rm -rf /var/lib/apt/lists/*