diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 313b550c..0479e153 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -3,7 +3,7 @@ name: test
 on: [push, pull_request]
 
 env:
-  POETRY_VERSION: 1.7.1
+  POETRY_VERSION: 1.8.1
 
 jobs:
   gofmt:
diff --git a/renovate.json b/renovate.json
index b2a3b348..63a83a09 100644
--- a/renovate.json
+++ b/renovate.json
@@ -1,6 +1,6 @@
 {
   "constraints": {
-    "poetry": "1.7.1"
+    "poetry": "1.8.1"
   },
   "extends": [
     "config:base"