diff --git a/Dockerfile b/Dockerfile
index 4dd15a5..2196102 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -16,6 +16,7 @@ RUN \
     curl \
     php8-ctype \
     php8-curl \
+    php8-intl \
     php8-pdo_pgsql \
     php8-pdo_sqlite \
     php8-pdo_mysql \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 59ffe3b..a18fb82 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -16,6 +16,7 @@ RUN \
     curl \
     php8-ctype \
     php8-curl \
+    php8-intl \
     php8-pdo_pgsql \
     php8-pdo_sqlite \
     php8-pdo_mysql \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index a4afe33..abac25a 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -16,6 +16,7 @@ RUN \
     curl \
     php8-ctype \
     php8-curl \
+    php8-intl \
     php8-pdo_pgsql \
     php8-pdo_sqlite \
     php8-pdo_mysql \