diff --git a/lib/analyze-action.js b/lib/analyze-action.js
index fc21c87b7d..982a7ca917 100644
--- a/lib/analyze-action.js
+++ b/lib/analyze-action.js
@@ -83615,9 +83615,9 @@ async function deleteActionsCache(id) {
 }
 function isEnablementError(msg) {
   return [
-    /Code Security must be enabled/,
-    /Advanced Security must be enabled/,
-    /Code Scanning is not enabled/
+    /Code Security must be enabled/i,
+    /Advanced Security must be enabled/i,
+    /Code Scanning is not enabled/i
   ].some((pattern) => pattern.test(msg));
 }
 function getFeatureEnablementError(message) {
diff --git a/lib/init-action-post.js b/lib/init-action-post.js
index 967bc2747a..5ca41fbfb4 100644
--- a/lib/init-action-post.js
+++ b/lib/init-action-post.js
@@ -116758,9 +116758,9 @@ async function listActionsCaches(key, ref) {
 }
 function isEnablementError(msg) {
   return [
-    /Code Security must be enabled/,
-    /Advanced Security must be enabled/,
-    /Code Scanning is not enabled/
+    /Code Security must be enabled/i,
+    /Advanced Security must be enabled/i,
+    /Code Scanning is not enabled/i
   ].some((pattern) => pattern.test(msg));
 }
 function getFeatureEnablementError(message) {
diff --git a/lib/init-action.js b/lib/init-action.js
index 8ef22ae0f7..b1d8e0d5f2 100644
--- a/lib/init-action.js
+++ b/lib/init-action.js
@@ -80926,9 +80926,9 @@ async function getRepositoryProperties(repositoryNwo) {
 }
 function isEnablementError(msg) {
   return [
-    /Code Security must be enabled/,
-    /Advanced Security must be enabled/,
-    /Code Scanning is not enabled/
+    /Code Security must be enabled/i,
+    /Advanced Security must be enabled/i,
+    /Code Scanning is not enabled/i
   ].some((pattern) => pattern.test(msg));
 }
 function getFeatureEnablementError(message) {
diff --git a/lib/setup-codeql-action.js b/lib/setup-codeql-action.js
index 00ea84b6e8..48838e3fb8 100644
--- a/lib/setup-codeql-action.js
+++ b/lib/setup-codeql-action.js
@@ -79275,9 +79275,9 @@ async function getAnalysisKey() {
 }
 function isEnablementError(msg) {
   return [
-    /Code Security must be enabled/,
-    /Advanced Security must be enabled/,
-    /Code Scanning is not enabled/
+    /Code Security must be enabled/i,
+    /Advanced Security must be enabled/i,
+    /Code Scanning is not enabled/i
   ].some((pattern) => pattern.test(msg));
 }
 function getFeatureEnablementError(message) {
diff --git a/lib/upload-lib.js b/lib/upload-lib.js
index 84865dc375..2de497bf4a 100644
--- a/lib/upload-lib.js
+++ b/lib/upload-lib.js
@@ -82146,9 +82146,9 @@ function computeAutomationID(analysis_key, environment) {
 }
 function isEnablementError(msg) {
   return [
-    /Code Security must be enabled/,
-    /Advanced Security must be enabled/,
-    /Code Scanning is not enabled/
+    /Code Security must be enabled/i,
+    /Advanced Security must be enabled/i,
+    /Code Scanning is not enabled/i
   ].some((pattern) => pattern.test(msg));
 }
 function getFeatureEnablementError(message) {
diff --git a/lib/upload-sarif-action.js b/lib/upload-sarif-action.js
index ddfb90fbe9..08d2232267 100644
--- a/lib/upload-sarif-action.js
+++ b/lib/upload-sarif-action.js
@@ -82191,9 +82191,9 @@ function computeAutomationID(analysis_key, environment) {
 }
 function isEnablementError(msg) {
   return [
-    /Code Security must be enabled/,
-    /Advanced Security must be enabled/,
-    /Code Scanning is not enabled/
+    /Code Security must be enabled/i,
+    /Advanced Security must be enabled/i,
+    /Code Scanning is not enabled/i
   ].some((pattern) => pattern.test(msg));
 }
 function getFeatureEnablementError(message) {
diff --git a/src/api-client.test.ts b/src/api-client.test.ts
index 29e3ef852e..d3a5ce2bca 100644
--- a/src/api-client.test.ts
+++ b/src/api-client.test.ts
@@ -171,37 +171,30 @@ test("wrapApiConfigurationError correctly wraps specific configuration errors",
   );
 
   // Enablement errors.
-  const codeSecurityNotEnabledError = new util.HTTPError(
+  const enablementErrorMessages = [
     "Code Security must be enabled for this repository to use code scanning",
-    403,
-  );
-  res = api.wrapApiConfigurationError(codeSecurityNotEnabledError);
-  t.deepEqual(
-    res,
-    new util.ConfigurationError(
-      api.getFeatureEnablementError(codeSecurityNotEnabledError.message),
-    ),
-  );
-  const advancedSecurityNotEnabledError = new util.HTTPError(
     "Advanced Security must be enabled for this repository to use code scanning",
-    403,
-  );
-  res = api.wrapApiConfigurationError(advancedSecurityNotEnabledError);
-  t.deepEqual(
-    res,
-    new util.ConfigurationError(
-      api.getFeatureEnablementError(advancedSecurityNotEnabledError.message),
-    ),
-  );
-  const codeScanningNotEnabledError = new util.HTTPError(
     "Code Scanning is not enabled for this repository. Please enable code scanning in the repository settings.",
-    403,
-  );
-  res = api.wrapApiConfigurationError(codeScanningNotEnabledError);
-  t.deepEqual(
-    res,
-    new util.ConfigurationError(
-      api.getFeatureEnablementError(codeScanningNotEnabledError.message),
-    ),
-  );
+  ];
+  const transforms = [
+    (msg: string) => msg,
+    (msg: string) => msg.toLowerCase(),
+    (msg: string) => msg.toLocaleUpperCase(),
+  ];
+
+  for (const enablementErrorMessage of enablementErrorMessages) {
+    for (const transform of transforms) {
+      const enablementError = new util.HTTPError(
+        transform(enablementErrorMessage),
+        403,
+      );
+      res = api.wrapApiConfigurationError(enablementError);
+      t.deepEqual(
+        res,
+        new util.ConfigurationError(
+          api.getFeatureEnablementError(enablementError.message),
+        ),
+      );
+    }
+  }
 });
diff --git a/src/api-client.ts b/src/api-client.ts
index f271c27910..e14048337f 100644
--- a/src/api-client.ts
+++ b/src/api-client.ts
@@ -285,9 +285,9 @@ export async function getRepositoryProperties(repositoryNwo: RepositoryNwo) {
 
 function isEnablementError(msg: string) {
   return [
-    /Code Security must be enabled/,
-    /Advanced Security must be enabled/,
-    /Code Scanning is not enabled/,
+    /Code Security must be enabled/i,
+    /Advanced Security must be enabled/i,
+    /Code Scanning is not enabled/i,
   ].some((pattern) => pattern.test(msg));
 }