diff --git a/.tool-versions b/.tool-versions
index 6d1d0fb..010d49f 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-golang 1.20.7
+golang 1.25.3
diff --git a/backend/api/Dockerfile b/backend/api/Dockerfile
index a1e6ea5..a2b9941 100644
--- a/backend/api/Dockerfile
+++ b/backend/api/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20.7-alpine AS build
+FROM golang:1.25.3-alpine AS build
 
 ARG build_commit_sha="-"
 ARG build_version="-"