diff --git a/mod.ts b/mod.ts
index b0bac8a..9e667df 100644
--- a/mod.ts
+++ b/mod.ts
@@ -1,3 +1,8 @@
+// Check for minimum supported V8 runtime version
+if(Deno.version.deno >= 1.38) {
+  throw new Error("deno-postgres requires at least Deno v1.38 including V8 v12 or later.")
+}
+
 export { Client } from "./client.ts";
 export {
   ConnectionError,