diff --git a/servers/lemminx/Dockerfile b/servers/lemminx/Dockerfile
index 3b7036e..f0e5c99 100644
--- a/servers/lemminx/Dockerfile
+++ b/servers/lemminx/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:12.11-slim
+FROM debian:13.4-slim
 # The binary requires gnu-libc and will not work on alpine
 
 ARG VERSION=0.27.0
diff --git a/servers/omnisharp/Dockerfile b/servers/omnisharp/Dockerfile
index d0d844b..9ba244d 100644
--- a/servers/omnisharp/Dockerfile
+++ b/servers/omnisharp/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:12.11-slim
+FROM debian:13.4-slim
 
 ARG VERSION=1.39.12
 LABEL version="${VERSION}"