diff --git a/interop/observability/Dockerfile b/interop/observability/Dockerfile
index e4e3a3c7b..716468141 100644
--- a/interop/observability/Dockerfile
+++ b/interop/observability/Dockerfile
@@ -17,7 +17,7 @@
 # Stage 1: Build the interop test client and server
 #
 
-FROM golang:1.23-bullseye as build
+FROM golang:1.24-bullseye as build
 
 WORKDIR /grpc-go
 COPY . .