diff --git a/Dockerfile b/Dockerfile
index 42ba3696..eae81a5a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,7 +17,9 @@ RUN \
     # Install postgres
     apk add --no-cache postgresql-dev && \
     docker-php-ext-install -j"$(nproc)" pdo_pgsql && \
+    # Install intl
     apk add --no-cache icu-dev && \
+    docker-php-ext-install -j"$(nproc)" intl && \
     # Install zip and gd
     apk add --no-cache libzip-dev zlib-dev libpng-dev && \
     docker-php-ext-install -j"$(nproc)" zip gd
diff --git a/data/infra/php.Dockerfile b/data/infra/php.Dockerfile
index 2fbfaafd..0cb74aaa 100644
--- a/data/infra/php.Dockerfile
+++ b/data/infra/php.Dockerfile
@@ -18,6 +18,7 @@ RUN apk add --no-cache sqlite-dev
 RUN docker-php-ext-install pdo_sqlite
 
 RUN apk add --no-cache icu-dev
+RUN docker-php-ext-install intl
 
 RUN apk add --no-cache libzip-dev zlib-dev
 RUN docker-php-ext-install zip
diff --git a/data/infra/swoole.Dockerfile b/data/infra/swoole.Dockerfile
index 5982a42b..ea7dc230 100644
--- a/data/infra/swoole.Dockerfile
+++ b/data/infra/swoole.Dockerfile
@@ -19,6 +19,7 @@ RUN apk add --no-cache sqlite-dev
 RUN docker-php-ext-install pdo_sqlite
 
 RUN apk add --no-cache icu-dev
+RUN docker-php-ext-install intl
 
 RUN apk add --no-cache libzip-dev zlib-dev
 RUN docker-php-ext-install zip