diff --git a/.drone.yml b/.drone.yml
index 6b55055..c1b8a2b 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -24,7 +24,7 @@ steps:
     password:
       from_secret: DOCKER_PASSWORD
     auto_tag: true
-    auto_tag_suffix: -diagram
+    auto_tag_suffix: diagram
     dockerfile: Dockerfile.ubuntu
     target: stage-diagram
   
@@ -32,4 +32,4 @@ steps:
   image: alpine
   depends_on:
     - default
-    - diagram
\ No newline at end of file
+    - diagram
diff --git a/Dockerfile.alpine b/Dockerfile.alpine
index 312b5db..212492c 100644
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@@ -13,6 +13,7 @@ RUN set -ex; \
       kpfonts \
       lastpage \
       latexmk \
+      twemojis \
     ;
 
 COPY src/usr /usr
diff --git a/Dockerfile.ubuntu b/Dockerfile.ubuntu
index 0079be1..4342634 100644
--- a/Dockerfile.ubuntu
+++ b/Dockerfile.ubuntu
@@ -14,6 +14,7 @@ RUN set -ex; \
       kpfonts \
       lastpage \
       latexmk \
+      twemojis \
     ;
 
 COPY src/usr /usr