diff --git a/Dockerfile b/Dockerfile
index 24f2349..0ff44dd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,6 +24,7 @@ RUN \
     php81-curl \
     php81-dom \
     php81-gd \
+    php81-iconv \
     php81-ldap \
     php81-mysqlnd \
     php81-pdo_mysql \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 1b5d8f7..25336d2 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -24,6 +24,7 @@ RUN \
     php81-curl \
     php81-dom \
     php81-gd \
+    php81-iconv \
     php81-ldap \
     php81-mysqlnd \
     php81-pdo_mysql \
diff --git a/Dockerfile.armhf b/Dockerfile.armhf
index 74760ac..e462a26 100644
--- a/Dockerfile.armhf
+++ b/Dockerfile.armhf
@@ -24,6 +24,7 @@ RUN \
     php81-curl \
     php81-dom \
     php81-gd \
+    php81-iconv \
     php81-ldap \
     php81-mysqlnd \
     php81-pdo_mysql \
diff --git a/readme-vars.yml b/readme-vars.yml
index 3ab3d19..8ee1b6b 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -104,6 +104,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "01.03.23:", desc: "Add php iconv." }
   - { date: "19.01.23:", desc: "Rebase to alpine 3.17 with php8.1." }
   - { date: "16.01.23:", desc: "Wrap `.env` values in quotes." }
   - { date: "05.01.23:", desc: "Fix db password setting (sed escape `&`)." }