diff --git a/build/package/Dockerfile b/build/package/Dockerfile
index 8d9da1f9..cb531c53 100644
--- a/build/package/Dockerfile
+++ b/build/package/Dockerfile
@@ -2,7 +2,7 @@ ARG GO_VERSION
 ARG APP_IMAGE=ubuntu:latest
 
 # Build
-FROM golang:${GO_VERSION:-1.24} AS build
+FROM golang:${GO_VERSION:-1.26} AS build
 
 WORKDIR /seq-db
 
diff --git a/go.mod b/go.mod
index 4e9a15e6..d2bf87ed 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/ozontech/seq-db
 
-go 1.24.6
+go 1.26
 
 require (
 	contrib.go.opencensus.io/exporter/jaeger v0.2.1
diff --git a/proxy/search/ingestor.go b/proxy/search/ingestor.go
index b8e01784..77e297ea 100644
--- a/proxy/search/ingestor.go
+++ b/proxy/search/ingestor.go
@@ -215,7 +215,7 @@ func (si *Ingestor) singleDocsStream(ctx context.Context, explain bool, source u
 	startTime := time.Now()
 	host, has := si.clientBySource[source]
 	if !has {
-		return nil, fmt.Errorf("can't fetch: no host for source %q", source)
+		return nil, fmt.Errorf("can't fetch: no host for source %d", source)
 	}
 	client, has := si.clients[host]
 	if !has {