diff --git a/.github/workflows/e2e.yaml b/.github/workflows/e2e.yaml
index 331f137..550bf59 100644
--- a/.github/workflows/e2e.yaml
+++ b/.github/workflows/e2e.yaml
@@ -20,7 +20,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.24"
+          go-version: "1.26"
 
       - name: Check secrets configuration
         run: |
diff --git a/.github/workflows/lint.yaml b/.github/workflows/lint.yaml
index b36feb2..3f0bb5b 100644
--- a/.github/workflows/lint.yaml
+++ b/.github/workflows/lint.yaml
@@ -20,7 +20,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.24"
+          go-version: "1.26"
 
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v7
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 68d7584..42af0f4 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -20,7 +20,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.24"
+          go-version: "1.26"
 
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v6
diff --git a/.github/workflows/security.yaml b/.github/workflows/security.yaml
index ca6fc77..2d3c20d 100644
--- a/.github/workflows/security.yaml
+++ b/.github/workflows/security.yaml
@@ -22,7 +22,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.24"
+          go-version: "1.26"
 
       - name: Install govulncheck
         run: go install golang.org/x/vuln/cmd/govulncheck@latest
@@ -38,7 +38,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.24"
+          go-version: "1.26"
 
       - name: Run Gosec Security Scanner
         uses: securego/gosec@master
diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 777c119..fe562cf 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -19,7 +19,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.24"
+          go-version: "1.26"
 
       - name: Install dependencies
         run: go mod tidy
diff --git a/go.mod b/go.mod
index 514145e..6d3aee4 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/3-shake/alert-menta
 
 go 1.24.0
 
-toolchain go1.24.12
+toolchain go1.26.4
 
 require (
 	cloud.google.com/go/vertexai v0.13.2