diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index af164815..a905ad3e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [1.17]
+        go-version: [1.18]
         pg-version: [10, 11, 12, 13, 14, cockroachdb]
         include:
           - pg-version: 10
diff --git a/go.mod b/go.mod
index 79cbd50d..f527c7fb 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/jackc/pgx/v5
 
-go 1.17
+go 1.18
 
 require (
 	github.com/jackc/pgpassfile v1.0.0