diff --git a/.github/workflows/DockerImages/Dockerfile.testdeps b/.github/workflows/DockerImages/Dockerfile.testdeps
index 7154eaa36d..4cd6e3e470 100644
--- a/.github/workflows/DockerImages/Dockerfile.testdeps
+++ b/.github/workflows/DockerImages/Dockerfile.testdeps
@@ -4,7 +4,7 @@ LABEL description="Debian Stable Slim image with Racket test dependencies pre-in
 
 RUN apt-get update && \
     apt-get upgrade -y && \
-    apt-get install -y libffi-dev make git uuid-dev unzip python libxml2-dev libgtk2.0-0 sudo wget curl openssl ca-certificates libfontconfig1-dev libpango1.0-dev libcairo2-dev libjpeg-dev libturbojpeg0-dev gcc sqlite && \
+    apt-get install -y libffi-dev make git uuid-dev unzip python libxml2-dev libgtk2.0-0 sudo wget curl openssl ca-certificates libfontconfig1-dev libpango1.0-dev libcairo2-dev libjpeg-dev libturbojpeg0-dev gcc sqlite procps && \
     curl -sL https://deb.nodesource.com/setup_14.x | bash - && \
     apt-get update && apt-get install -y nodejs && \
     apt-get clean