diff --git a/Dockerfile b/Dockerfile
index 4e3a986..5b04b1f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ghcr.io/open-feature/flagd:v0.5.2
+FROM ghcr.io/open-feature/flagd:v0.6.3
 
 COPY testing-flags.json testing-flags.json
 LABEL org.opencontainers.image.source = "https://github.com/open-feature/test-harness"