diff --git a/vendor/go.opentelemetry.io/otel/dependencies.Dockerfile b/vendor/go.opentelemetry.io/otel/dependencies.Dockerfile
index cadb87cc..f0cc942b 100644
--- a/vendor/go.opentelemetry.io/otel/dependencies.Dockerfile
+++ b/vendor/go.opentelemetry.io/otel/dependencies.Dockerfile
@@ -1,4 +1,4 @@
 # This is a renovate-friendly source of Docker images.
 FROM python:3.13.6-slim-bullseye@sha256:e98b521460ee75bca92175c16247bdf7275637a8faaeb2bcfa19d879ae5c4b9a AS python
-FROM otel/weaver:v0.19.0@sha256:3d20814cef548f1d31f27f054fb4cd6a05125641a9f7cc29fc7eb234e8052cd9 AS weaver
+FROM otel/weaver:v0.21.2@sha256:2401de985c38bdb98b43918e2f43aa36b2afed4aa5669ac1c1de0a17301cd36d AS weaver
 FROM avtodev/markdown-lint:v1@sha256:6aeedc2f49138ce7a1cd0adffc1b1c0321b841dc2102408967d9301c031949ee AS markdown