diff --git a/projects/docker/Dockerfile b/projects/docker/Dockerfile
index 281ea7acf411b12f23031553eff4a63ce5d4c318..44a04ed077cf8a2308f33d8629e7bb72ee8259ff 100644
--- a/projects/docker/Dockerfile
+++ b/projects/docker/Dockerfile
@@ -24,7 +24,7 @@ COPY docker/requirements.txt ${SRC_DIR}
 WORKDIR ${SRC_DIR}
 RUN set -e pipefail; \
     apt-get update -y; \
-    apt-get install -y git pip; \
+    apt-get install -y git pip swig; \
     pip install -r requirements.txt; \
     ## use the python-ihm latest
     git clone https://github.com/ihmwg/python-ihm.git ihm.git; \