diff --git a/Dockerfile.centos b/Dockerfile.centos
index f0b9252..27ec4a3 100644
--- a/Dockerfile.centos
+++ b/Dockerfile.centos
@@ -21,6 +21,7 @@ RUN yum update -y && yum install -y epel-release \
     m4 \
     make \
     ncurses-devel \
+    ninja-build \
     openldap-devel \
     openssh-clients \
     openssl-devel \
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index 771b925..a90871c 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -28,6 +28,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     m4 \
     make \
     ncurses-dev \
+    ninja-build \
     openssh-client \
     python3-dev \
     python3-pip \