diff --git a/README.md b/README.md
index 4a400cd..7b9099e 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ steps:
   - label: ':nodejs: Install dependencies'
     command: npm ci
     plugins:
-      - cache#v0.3.1:
+      - cache#v0.3.2:
           manifest: package-lock.json
           path: node_modules
           restore: file
@@ -114,7 +114,7 @@ steps:
   - label: ':nodejs: Install dependencies'
     command: npm ci 
     plugins:
-      - cache#v0.3.1:
+      - cache#v0.3.2:
           manifest: package-lock.json
           path: node_modules
           restore: pipeline
@@ -123,7 +123,7 @@ steps:
   - label: ':test_tube: Run tests'
     command: npm test # does not save cache, not necessary
     plugins:
-      - cache#v0.3.1:
+      - cache#v0.3.2:
           manifest: package-lock.json
           path: node_modules
           restore: file
@@ -132,7 +132,7 @@ steps:
     if: build.branch == "master"
     command: npm run deploy
     plugins:
-      - cache#v0.3.1:
+      - cache#v0.3.2:
           manifest: package-lock.json
           path: node_modules
           restore: file
diff --git a/backends/cache_s3 b/backends/cache_s3
index 1eb6518..d15c361 100755
--- a/backends/cache_s3
+++ b/backends/cache_s3
@@ -27,7 +27,7 @@ save_cache() {
 
 exists_cache() {
   if [ -z "$1" ]; then exit 1; fi
-  aws s3api head-object --bucket "${BUILDKITE_PLUGIN_S3_CACHE_BUCKET}" --key "$(build_key "$1")"
+  aws s3api list-objects-v2 --bucket "${BUILDKITE_PLUGIN_S3_CACHE_BUCKET}" --prefix "$(build_key "$1")" --max-items 1
 }
 
 OPCODE="$1"