diff --git a/.travis.yml b/.travis.yml
index 0f97433..d47b448 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,7 +17,7 @@ node_js:
   - "12.20"
   - "13.14"
   - "14.15"
-  - "15.3"
+  - "15.5"
 cache:
   directories:
     - node_modules
diff --git a/appveyor.yml b/appveyor.yml
index e7096c9..5b4af81 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -17,7 +17,7 @@ environment:
     - nodejs_version: "12.20"
     - nodejs_version: "13.14"
     - nodejs_version: "14.15"
-    - nodejs_version: "15.3"
+    - nodejs_version: "15.5"
 cache:
   - node_modules
 install: