diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 27b592b..155be82 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -25,7 +25,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: ["1.17", "1.18"]
+        go: ["1.18"]
 
     steps:
     - uses: actions/checkout@v3
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7c33c67..39bc18d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17
+          go-version: 1.18
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2
         with:
diff --git a/go.mod b/go.mod
index 76e750d..7064b45 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/pinterest/thriftcheck
 
-go 1.17
+go 1.18
 
 require (
 	github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964