diff --git a/.tool-versions b/.tool-versions
index cf33d37d695..8fae982f375 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1,4 +1,4 @@
-golang 1.24.5
+golang 1.25.3
 mockery 2.53.0
 nodejs 20.13.1
 pnpm 10.6.5
diff --git a/core/chainlink.Dockerfile b/core/chainlink.Dockerfile
index b4173febabf..bd9858fd55f 100644
--- a/core/chainlink.Dockerfile
+++ b/core/chainlink.Dockerfile
@@ -1,7 +1,7 @@
 ##
 # Build image: Chainlink binary with plugins.
 ##
-FROM golang:1.25.2-bookworm AS buildgo
+FROM golang:1.25.3-bookworm AS buildgo
 RUN go version
 RUN apt-get update && apt-get install -y jq && rm -rf /var/lib/apt/lists/*
 
diff --git a/plugins/chainlink.Dockerfile b/plugins/chainlink.Dockerfile
index 15b7295185c..11f9c3d21e0 100644
--- a/plugins/chainlink.Dockerfile
+++ b/plugins/chainlink.Dockerfile
@@ -3,7 +3,7 @@
 # XXX: Experimental -- not to be used to build images for production use.
 # See: ../core/chainlink.Dockerfile for the production Dockerfile.
 ##
-FROM golang:1.24-bullseye AS buildgo
+FROM golang:1.25.3-bookworm AS buildgo
 RUN go version
 RUN apt-get update && apt-get install -y jq && rm -rf /var/lib/apt/lists/*