diff --git a/alpine/Containerfile b/alpine/Containerfile
index 2b0da01..7994484 100644
--- a/alpine/Containerfile
+++ b/alpine/Containerfile
@@ -44,6 +44,7 @@ RUN set -eux ; \
     apk add --no-cache \
         acl-dev \
         asciidoctor \
+        cjson-dev \
         cmake \
         curl \
         curl-dev \
@@ -121,6 +122,7 @@ RUN set -eux ; \
     # install runtime dependencies
     apk add --no-cache \
         ca-certificates \
+        cjson \
         gettext \
         gnutls \
         libcurl \
diff --git a/debian/Containerfile b/debian/Containerfile
index 6d3cf31..db80fc7 100644
--- a/debian/Containerfile
+++ b/debian/Containerfile
@@ -51,6 +51,7 @@ RUN set -eux ; \
         gcc \
         gettext \
         gnupg \
+        libcjson-dev \
         libcurl3-gnutls-dev \
         libgcrypt20-dev \
         libgnutls28-dev \
@@ -125,6 +126,7 @@ RUN set -eux ; \
     apt-get update ; \
     apt-get install -y --no-install-recommends \
         ca-certificates \
+        libcjson1 \
         libcurl3-gnutls \
         libgcrypt20 \
         libgnutls30 \