diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 75a5fe291..a5f7691d8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,7 +39,7 @@ jobs:
         uses: golangci/golangci-lint-action@4afd733a84b1f43292c63897423277bb7f4313a9 # v8.0.0
         with:
           version: "${{ env.GOLANGCI_LINT_VERSION }}"
-          # goinstall builds golangci-lint with the repo's go toolchain (go1.27.2) since the
+          # goinstall builds golangci-lint with the repo's go toolchain (go1.27.3) since the
           # official binary release is built with an older Go and can't read go1.27 export data.
           install-mode: goinstall
           args: -c ./scripts/.golangci.yml
diff --git a/go.mod b/go.mod
index 826ea9a84..79f5e4bd5 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/nginx/agent/v2
 
 go 1.26.0
 
-toolchain go1.27.2
+toolchain go1.27.3
 
 require (
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
diff --git a/sdk/go.mod b/sdk/go.mod
index b28a4ec48..deffc51e7 100644
--- a/sdk/go.mod
+++ b/sdk/go.mod
@@ -2,7 +2,7 @@ module github.com/nginx/agent/sdk/v2
 
 go 1.26.0
 
-toolchain go1.27.2
+toolchain go1.27.3
 
 require (
 	github.com/cenkalti/backoff/v4 v4.3.0