diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 024115d..f504b9d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
 
       - uses: actions/setup-go@v7
         with:
-          go-version: "1.26.x"
+          go-version: "1.26.10"
 
       - name: Check formatting
         run: make fmt-check
@@ -50,7 +50,7 @@ jobs:
 
       - uses: actions/setup-go@v7
         with:
-          go-version: "1.26.x"
+          go-version: "1.26.10"
 
       - name: Install govulncheck
         run: go install golang.org/x/vuln/cmd/govulncheck@latest
diff --git a/deploy/Dockerfile b/deploy/Dockerfile
index b7c6ee2..1a39147 100644
--- a/deploy/Dockerfile
+++ b/deploy/Dockerfile
@@ -4,7 +4,7 @@
 # Multi-stage build for KafGraph
 
 # ─── Builder ─────────────────────────────────────────────────────────────────
-FROM golang:1.26-alpine AS builder
+FROM golang:1.26.10-alpine AS builder
 
 RUN apk add --no-cache git ca-certificates
 
diff --git a/go.mod b/go.mod
index adf1862..45e2854 100644
--- a/go.mod
+++ b/go.mod
@@ -2,6 +2,8 @@ module github.com/scalytics/kafgraph
 
 go 1.25.0
 
+toolchain go1.26.10
+
 require (
 	github.com/blevesearch/bleve/v2 v2.6.1
 	github.com/dgraph-io/badger/v4 v4.9.6