diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ad611ed..18b0cea 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ on:
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}
-  IMAGE_SUFFIX: ${{ github.ref_name == 'master' && '' || format('-%s', github.ref_name) }}
+  IMAGE_SUFFIX: "${{ github.ref_name != 'master' && format('-{0}', github.ref_name) || '' }}"
 
 jobs:
   lint:
diff --git a/app/main.py b/app/main.py
index 35489df..d983e23 100644
--- a/app/main.py
+++ b/app/main.py
@@ -5,7 +5,7 @@ from validate_email import validate_email
 app = FastAPI(
     title="MailConfirm API",
     description="API for telegram bot for confirming emails.",
-    version="0.1.3",
+    version="0.1.4",
     docs_url="/",
     redoc_url=None,
     debug=False,