diff --git a/Dockerfile.emscripten b/Dockerfile.emscripten
index 4997a9aa791f77e5ea596f4df8b7ba2ebd908527..a23df4884daf135045ed03d6c7631d4d09b57acd 100644
--- a/Dockerfile.emscripten
+++ b/Dockerfile.emscripten
@@ -10,6 +10,7 @@ USER root
 RUN apt-get update && \
   DEBIAN_FRONTEND=noniteractive apt-get install -y \
     git \
+    jq \
     autoconf \
     libtool