diff --git a/Dockerfile b/Dockerfile
index 364322e..2f5715d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -51,3 +51,6 @@ COPY poetry.lock ./
 
 # Install drevalpy
 RUN pip install .
+
+# Nextflow needs the command ps to be available
+RUN apt-get update && apt-get install -y procps && rm -rf /var/lib/apt/lists/*