diff --git a/go.mod b/go.mod
index 5343f60..8714bcc 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,5 @@
 module github.com/parallelworks/squall
 
 go 1.27.0
+
+toolchain go1.27.3
diff --git a/sdktest/go.mod b/sdktest/go.mod
index 4b568f0..20fc65d 100644
--- a/sdktest/go.mod
+++ b/sdktest/go.mod
@@ -2,6 +2,8 @@ module github.com/parallelworks/squall/sdktest
 
 go 1.27.0
 
+toolchain go1.27.3
+
 require (
 	cloud.google.com/go/compute v1.71.0
 	cloud.google.com/go/storage v1.69.0
diff --git a/tools/go.mod b/tools/go.mod
index 2a26d57..ac70f44 100644
--- a/tools/go.mod
+++ b/tools/go.mod
@@ -2,6 +2,8 @@ module github.com/parallelworks/squall/tools
 
 go 1.27.0
 
+toolchain go1.27.3
+
 tool (
 	github.com/golangci/golangci-lint/v2/cmd/golangci-lint
 	golang.org/x/vuln/cmd/govulncheck