diff --git a/bundler.js b/bundler.js
index 711871bae..816c56bf8 100644
--- a/bundler.js
+++ b/bundler.js
@@ -206,7 +206,7 @@ export async function bundleInstall(gemfile, lockFile, platform, engine, rubyVer
   await exec.exec('bundle', ['install', '--jobs', '4'])
 
   // @actions/cache only allows to save for non-existing keys
-  if (cachedKey !== key) {
+  if (!common.isExactCacheKeyMatch(key, cachedKey)) {
     if (cachedKey) { // existing cache but Gemfile.lock differs, clean old gems
       await exec.exec('bundle', ['clean'])
     }
diff --git a/common.js b/common.js
index 02e57b237..72e2a9ceb 100644
--- a/common.js
+++ b/common.js
@@ -412,3 +412,15 @@ export async function setupJavaHome(rubyPrefix) {
     }
   })
 }
+
+// Determines if two keys are an exact match for the purposes of cache matching
+// Specifically, this is a case-insensitive match that ignores accents
+// From actions/cache@v3 src/utils/actionUtils.ts (MIT)
+export function isExactCacheKeyMatch(key, cacheKey) {
+  return !!(
+      cacheKey &&
+      cacheKey.localeCompare(key, undefined, {
+          sensitivity: 'accent'
+      }) === 0
+  );
+}
diff --git a/dist/index.js b/dist/index.js
index 4df23eced..b01209501 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -220,7 +220,7 @@ async function bundleInstall(gemfile, lockFile, platform, engine, rubyVersion, b
   await exec.exec('bundle', ['install', '--jobs', '4'])
 
   // @actions/cache only allows to save for non-existing keys
-  if (cachedKey !== key) {
+  if (!common.isExactCacheKeyMatch(key, cachedKey)) {
     if (cachedKey) { // existing cache but Gemfile.lock differs, clean old gems
       await exec.exec('bundle', ['clean'])
     }
@@ -299,6 +299,7 @@ __nccwpck_require__.r(__webpack_exports__);
 /* harmony export */   isBundler1Default: () => (/* binding */ isBundler1Default),
 /* harmony export */   isBundler2Default: () => (/* binding */ isBundler2Default),
 /* harmony export */   isBundler2dot2Default: () => (/* binding */ isBundler2dot2Default),
+/* harmony export */   isExactCacheKeyMatch: () => (/* binding */ isExactCacheKeyMatch),
 /* harmony export */   isHeadVersion: () => (/* binding */ isHeadVersion),
 /* harmony export */   isSelfHostedRunner: () => (/* binding */ isSelfHostedRunner),
 /* harmony export */   isStableVersion: () => (/* binding */ isStableVersion),
@@ -730,6 +731,18 @@ async function setupJavaHome(rubyPrefix) {
   })
 }
 
+// Determines if two keys are an exact match for the purposes of cache matching
+// Specifically, this is a case-insensitive match that ignores accents
+// From actions/cache@v3 src/utils/actionUtils.ts (MIT)
+function isExactCacheKeyMatch(key, cacheKey) {
+  return !!(
+      cacheKey &&
+      cacheKey.localeCompare(key, undefined, {
+          sensitivity: 'accent'
+      }) === 0
+  );
+}
+
 
 /***/ }),
 
@@ -42919,7 +42932,7 @@ function expand(str, isTop) {
   var isOptions = m.body.indexOf(',') >= 0;
   if (!isSequence && !isOptions) {
     // {a},b}
-    if (m.post.match(/,.*\}/)) {
+    if (m.post.match(/,(?!,).*\}/)) {
       str = m.pre + '{' + m.body + escClose + m.post;
       return expand(str);
     }
diff --git a/yarn.lock b/yarn.lock
index 19e5e64af..9b8cfef48 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -283,9 +283,9 @@ balanced-match@^1.0.0:
   integrity sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==
 
 brace-expansion@^1.1.7:
-  version "1.1.11"
-  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.11.tgz#3c7fcbf529d87226f3d2f52b966ff5271eb441dd"
-  integrity sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==
+  version "1.1.12"
+  resolved "https://registry.yarnpkg.com/brace-expansion/-/brace-expansion-1.1.12.tgz#ab9b454466e5a8cc3a187beaad580412a9c5b843"
+  integrity sha512-9T9UjW3r0UW5c1Q7GTwllptXwhvYmEzFhzMfZ9H7FQWt+uZePjZPjBP/W1ZEyZ1twGWom5/56TF4lPcqjnDHcg==
   dependencies:
     balanced-match "^1.0.0"
     concat-map "0.0.1"
@@ -376,13 +376,14 @@ fast-xml-parser@^5.0.7:
     strnum "^2.1.0"
 
 form-data@^2.5.0:
-  version "2.5.3"
-  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.5.3.tgz#f9bcf87418ce748513c0c3494bb48ec270c97acc"
-  integrity sha512-XHIrMD0NpDrNM/Ckf7XJiBbLl57KEhT3+i3yY+eWm+cqYZJQTZrKo8Y8AWKnuV5GT4scfuUGt9LzNoIx3dU1nQ==
+  version "2.5.5"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-2.5.5.tgz#a5f6364ad7e4e67e95b4a07e2d8c6f711c74f624"
+  integrity sha512-jqdObeR2rxZZbPSGL+3VckHMYtu+f9//KXBsVny6JSX/pa38Fy+bGjuG8eW/H6USNQWhLi8Num++cU2yOCNz4A==
   dependencies:
     asynckit "^0.4.0"
     combined-stream "^1.0.8"
     es-set-tostringtag "^2.1.0"
+    hasown "^2.0.2"
     mime-types "^2.1.35"
     safe-buffer "^5.2.1"