diff --git a/Dockerfile b/Dockerfile
index a957f41..2251e0e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     libmemcachedutil2 \
     build-essential \
     libmemcached-dev \
-    libwebp \
+    libwebp-dev \
     g++ \
     git \
     cron \