diff --git a/Dockerfile b/Dockerfile
index cc5630d..c9342ef 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -20,7 +20,6 @@ RUN apk add --no-cache \
     gettext \
     icu-libs \
     libzip \
-    libzip \
     bzip2 \
     libxslt \
     oniguruma \