diff --git a/deploy/build_env/services-linux/Dockerfile b/deploy/build_env/services-linux/Dockerfile
index 59800795f03adefc52e35ffac6b5ecf575abf4e9..1c0460cae2b72575bdec6cf15351b95ebc51fa8b 100644
--- a/deploy/build_env/services-linux/Dockerfile
+++ b/deploy/build_env/services-linux/Dockerfile
@@ -15,6 +15,7 @@ RUN set -eux; \
 		nomad \
 		grpc-proto \
 		python3-dev \
+		cython3 \
 		lcov \
 	; \
 	rm -rf /var/lib/apt/lists/*