diff --git a/collector/go.mod b/collector/go.mod
index 98bb3089d3..ede89dd4da 100644
--- a/collector/go.mod
+++ b/collector/go.mod
@@ -2,6 +2,8 @@ module github.com/open-telemetry/opentelemetry-lambda/collector
 
 go 1.26.1
 
+toolchain go1.26.7
+
 replace github.com/open-telemetry/opentelemetry-lambda/collector/lambdacomponents => ./lambdacomponents
 
 replace github.com/open-telemetry/opentelemetry-lambda/collector/lambdalifecycle => ./lambdalifecycle