diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index dfc76b1f..002cbaba 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        go: ["1.19", "1.18", "1.17"]
+        go: ["1.19", "1.18"]
     name: go ${{ matrix.go }}
     steps:
       - name: Checkout
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ddd5a53e..91f1d082 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 # [Unreleased]
 
+* Update minimum supported Go version 1.18. (#525, @abecevello)
+
 # [2.6.0] - 2023-08-22
 
 * Gracefull shutdown of HTTP server. (#439, @miry)
diff --git a/go.mod b/go.mod
index b9886836..7b3f4987 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/Shopify/toxiproxy/v2
 
-go 1.17
+go 1.18
 
 require (
 	github.com/gorilla/mux v1.8.0