diff --git a/Containerfile b/Containerfile
index 1b23e15..c5b62aa 100644
--- a/Containerfile
+++ b/Containerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:resolute-20260610 AS builder
+FROM ubuntu:resolute-20260627 AS builder
 
 ENV DEBIAN_FRONTEND=noninteractive
 
@@ -19,7 +19,7 @@ WORKDIR /build/cryptomator-android/
 ENTRYPOINT ["/bin/bash", "/build/build.sh"]
 
 
-FROM ubuntu:resolute-20260610 AS signer
+FROM ubuntu:resolute-20260627 AS signer
 
 ENV DEBIAN_FRONTEND=noninteractive