diff --git a/Dockerfile b/Dockerfile
index ec9846a..1a4642b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,7 +25,7 @@ RUN apt-get update && apt-get upgrade -y && apt-get install -y --no-install-reco
       # (python3-*) Dependency for installation of Ansible
       python3-pip \
       yamllint && \
-    apt-cache rdepends pyyaml && \
+    apt-cache rdepends python3-yaml && \
     sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && \
     locale-gen && \
     pip3 install --upgrade pip && \