diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1929675..46d15a4 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,6 +24,7 @@ jobs:
           - 1.25.3.2
           - 1.27.1.2
           - 1.29.2.5
+          - 1.31.1.1
 
     runs-on: ubuntu-latest
     container:
diff --git a/Dockerfile b/Dockerfile
index 1c451ea..2ff4570 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM openresty/openresty:1.29.2.4-alpine-fat
+FROM openresty/openresty:1.31.1.1-alpine-fat
 
 RUN apk add --no-cache curl perl bash wget git perl-dev libarchive-tools nodejs; \
     ln -s /usr/bin/bsdtar /usr/bin/tar