diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 37a842c..18f5c01 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-18.04
     strategy:
       matrix:
-        go: ['1.11', '1.12', '1.13', '1.14']
+        go: ['1.14', '1.15']
     name: Go ${{ matrix.go }} test
     steps:
       - uses: actions/checkout@v2
diff --git a/README.md b/README.md
index c1d7919..98f318c 100644
--- a/README.md
+++ b/README.md
@@ -39,11 +39,9 @@ For your convinience you can find the relevant standards linked below.
 
 | Version | Supported          |
 |---------|--------------------|
-| <1.11   | :x:                |
-| 1.11    | :white_check_mark: |
-| 1.12    | :white_check_mark: |
-| 1.13    | :white_check_mark: |
+| <1.13   | :x:                |
 | 1.14    | :white_check_mark: |
+| 1.15    | :white_check_mark: |
 
 ## Why another library
 
diff --git a/go.mod b/go.mod
index 594166a..cc9f60b 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/caos/oidc
 
-go 1.13
+go 1.15
 
 require (
 	github.com/caos/logging v0.0.0-20191210002624-b3260f690a6a