diff --git a/Dockerfile b/Dockerfile
index 0abfd00..3fb438b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -52,6 +52,7 @@ RUN apt-get update -qq \
       lsof \
       lynx \
       openssh-client \
+      procps \
       rsync \
       tree \
       unzip \
diff --git a/goss.yaml b/goss.yaml
index bcd7635..006b763 100644
--- a/goss.yaml
+++ b/goss.yaml
@@ -145,6 +145,13 @@ command:
     stderr: []
     timeout: 10000
 
+  which ps:
+    exit-status: 0
+    stdout:
+      - /usr/bin/ps
+    stderr: []
+    timeout: 10000
+
   which pygmy:
     exit-status: 0
     stdout: