diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5f0caf3..69afba3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,6 @@ jobs:
       fail-fast: false
       matrix:
         go-version:
-          - 1.12.x
           - 1.13.x
           - 1.14.x
           - 1.15.x
diff --git a/go.mod b/go.mod
index 18313f9..78f85c8 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/sergeymakinen/go-bmp
 
-go 1.14
+go 1.13