diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 54c1c57..71684f2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [1.19.x, 1.20.x, 1.21.x]
+        go-version: [1.21.x]
 
     steps:
     - name: Checkout code
diff --git a/go.mod b/go.mod
index b4f1a82..287c697 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/nyaruka/ezconf
 
-go 1.19
+go 1.21
 
 require (
 	github.com/fatih/structs v1.1.0