diff --git a/8/8.3/Dockerfile.nunit b/8/8.3/Dockerfile.nunit
index d050955..b7f80d5 100644
--- a/8/8.3/Dockerfile.nunit
+++ b/8/8.3/Dockerfile.nunit
@@ -1,4 +1,4 @@
-FROM unit:php8.2
+FROM unit:php8.3
 
 # Setup Debian
 RUN apt-get -y update && apt-get -y upgrade && ACCEPT_EULA=Y && apt-get install -y \