diff --git a/deployment/web-dev.dockerfile b/deployment/web-dev.dockerfile
index 54e1b6e..a278c02 100644
--- a/deployment/web-dev.dockerfile
+++ b/deployment/web-dev.dockerfile
@@ -27,7 +27,8 @@ RUN apk add --no-cache \
     freetype-dev \
     #libfreetype6-dev \
     libxpm-dev \
-    icu
+    icu \
+    libicu-dev
 
 # Clear cache
 #RUN apt autoremove && apt-get clean && rm -rf /var/lib/apt/lists/*