diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index adc7433..aff546a 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go: ['1.17', '1.18', '1.19']
+        go: ['1.18', '1.19']
     steps:
       - name: setup
         uses: actions/setup-go@v3
diff --git a/CHANGES.md b/CHANGES.md
index e9ec0bc..1abf12c 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,6 +4,10 @@ Notable changes between releases.
 
 ## Latest
 
+## v0.7.2
+
+* Update minimum Go version from v1.17 to v1.18 ([#66](https://github.com/dghubble/oauth1/pull/66))
+
 ## v0.7.1
 
 * Show body when `RequestToken` or `AccessToken` requests return an invalid status code ([#54](https://github.com/dghubble/oauth1/pull/54))
diff --git a/README.md b/README.md
index 8b9775f..c54803c 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# OAuth1 [![GoDoc](https://pkg.go.dev/badge/github.com/dghubble/oauth1.svg)](https://pkg.go.dev/github.com/dghubble/oauth1) [![Workflow](https://github.com/dghubble/oauth1/actions/workflows/test.yaml/badge.svg)](https://github.com/dghubble/oauth1/actions/workflows/test.yaml?query=branch%3Amain) [![Sponsors](https://img.shields.io/github/sponsors/dghubble?logo=github)](https://github.com/sponsors/dghubble) [![Twitter](https://img.shields.io/badge/twitter-follow-1da1f2?logo=twitter)](https://twitter.com/dghubble)
+# OAuth1 [![GoDoc](https://pkg.go.dev/badge/github.com/dghubble/oauth1.svg)](https://pkg.go.dev/github.com/dghubble/oauth1) [![Workflow](https://github.com/dghubble/oauth1/actions/workflows/test.yaml/badge.svg)](https://github.com/dghubble/oauth1/actions/workflows/test.yaml?query=branch%3Amain) [![Sponsors](https://img.shields.io/github/sponsors/dghubble?logo=github)](https://github.com/sponsors/dghubble) [![Mastodon](https://img.shields.io/badge/follow-news-6364ff?logo=mastodon)](https://fosstodon.org/@typhoon)
 
 <img align="right" src="https://storage.googleapis.com/dghubble/oauth1.png">
 
diff --git a/go.mod b/go.mod
index 3eaf98d..d08a838 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/dghubble/oauth1
 
-go 1.17
+go 1.18
 
 require github.com/stretchr/testify v1.8.1