diff --git a/Dockerfile b/Dockerfile
index ae5ab19..63eca71 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ ARG COMMIT_ID
 ENV COMMIT_ID=${COMMIT_ID}
 
 ARG VERSION
-ENV VERSION=${VERSION:-3.3.3}
+ENV VERSION=${VERSION:-3.4.0}
 
 ARG BUILD_UID
 ENV BUILD_UID=${BUILD_UID:-2999}
diff --git a/test_image_prod.py b/test_image_prod.py
index 265347e..5e1a79c 100644
--- a/test_image_prod.py
+++ b/test_image_prod.py
@@ -51,7 +51,7 @@ def test_port(host):
 
 
 def test_version(host):
-    assert host.check_output("/venv/bin/radicale --version") == "3.3.3"
+    assert host.check_output("/venv/bin/radicale --version") == "3.4.0"
 
 
 def test_user(host):