diff --git a/konflux.Dockerfile b/konflux.Dockerfile
index 509166e..2b69918 100644
--- a/konflux.Dockerfile
+++ b/konflux.Dockerfile
@@ -3,6 +3,7 @@
 # into the build context before this Dockerfile runs.
 
 FROM brew.registry.redhat.io/rh-osbs/openshift-golang-builder:rhel_9_golang_1.25 AS builder
+ENV GOTOOLCHAIN=go1.25.7
 
 COPY . /workspace
 WORKDIR /workspace