diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fa5b67e..a1143c9 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: ['1.11', '1.12', '1.13', '1.14', '1.15', '1.16', '1.17']
+        go-version: ['1.13', '1.14', '1.15', '1.16', '1.17']
     steps:
       - name: Set up Go ${{ matrix.go-version }}
         uses: actions/setup-go@v2
diff --git a/go.mod b/go.mod
index bc1d754..db37fef 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/retailcrm/mg-transport-api-client-go
 
-go 1.11
+go 1.13
 
 require (
 	github.com/google/go-querystring v1.0.0