diff --git a/php/8.1-cli/Dockerfile b/php/8.1-cli/Dockerfile
index 3880c7b..19b7ed1 100644
--- a/php/8.1-cli/Dockerfile
+++ b/php/8.1-cli/Dockerfile
@@ -20,8 +20,9 @@ RUN set -ex \
     # Build dependencies
     && apk add --no-cache --virtual .build-deps  \
         $PHPIZE_DEPS \
-        # iconv
-        icu-dev \
+        # intl
+    	icu-dev \
+    	icu-data-full \
     # Required dependencies
     && apk add --no-cache \
         # iconv
diff --git a/php/8.1-unit/Dockerfile b/php/8.1-unit/Dockerfile
index 9503dd2..89745c9 100644
--- a/php/8.1-unit/Dockerfile
+++ b/php/8.1-unit/Dockerfile
@@ -20,8 +20,9 @@ RUN set -ex \
     # Build dependencies
     && apk add --no-cache --virtual .build-deps  \
         $PHPIZE_DEPS \
-        # iconv
-        icu-dev \
+        # intl
+    	icu-dev \
+    	icu-data-full \
         # nginx unit
         openssl-dev \
         musl-dev \