diff --git a/package-lock.json b/package-lock.json
index ab3c96c..699b457 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
         "@fontsource/ibm-plex-mono": "^5.3.0",
         "@shikijs/core": "4.4.3",
         "@shikijs/engine-javascript": "4.4.3",
-        "@stack-sh/engine": "0.9.0",
+        "@stack-sh/engine": "0.9.1",
         "@stack-sh/language": "0.1.0",
         "class-variance-authority": "^0.7.1",
         "clsx": "^2.1.1",
@@ -4869,9 +4869,9 @@
       "license": "CC0-1.0"
     },
     "node_modules/@stack-sh/engine": {
-      "version": "0.9.0",
-      "resolved": "https://registry.npmjs.org/@stack-sh/engine/-/engine-0.9.0.tgz",
-      "integrity": "sha512-5Vyjr3PteTwCMjx1oKUoiUYs84i94VlET+lbHDVx8e8ffsj44AAFJ7l5JgMK+O01G5zWOVjJnNzUgWYQ7hlQHw==",
+      "version": "0.9.1",
+      "resolved": "https://registry.npmjs.org/@stack-sh/engine/-/engine-0.9.1.tgz",
+      "integrity": "sha512-MdVcClrlAtDXGWCcxnOdIAaspw28c3utzAZbGTf5zYLaZlXsQ6o8dh7b1+ktrc5eeZAct3hlB2AYIUq2cBUdGw==",
       "license": "Apache-2.0"
     },
     "node_modules/@stack-sh/language": {
diff --git a/package.json b/package.json
index ea545c6..9d2cc8a 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "@fontsource/ibm-plex-mono": "^5.3.0",
     "@shikijs/core": "4.4.3",
     "@shikijs/engine-javascript": "4.4.3",
-    "@stack-sh/engine": "0.9.0",
+    "@stack-sh/engine": "0.9.1",
     "@stack-sh/language": "0.1.0",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
diff --git a/scripts/docs-source.json b/scripts/docs-source.json
index 2675e34..3b729d7 100644
--- a/scripts/docs-source.json
+++ b/scripts/docs-source.json
@@ -1,5 +1,5 @@
 {
   "repository": "stack-sh/docs",
-  "revision": "16b8ac60219f5051bdb0319048e9b6200d3a614a",
-  "manifestSha256": "a0e1dc79a73553c6b6cc0bcf7ba8a5b5d134a63eedca3d181e41c1614faa5853"
+  "revision": "11af4fc57f53d903475d3619810a2885031d958c",
+  "manifestSha256": "be6cd48fcf50fc7c26c85eaf6869c8bf18cc3284e9638e26068641bed3af4672"
 }
diff --git a/scripts/validate-docs.mjs b/scripts/validate-docs.mjs
index 086aab7..54cb83d 100644
--- a/scripts/validate-docs.mjs
+++ b/scripts/validate-docs.mjs
@@ -21,8 +21,8 @@ const providerCatalog = JSON.parse(
   await readFile(path.join(docsRoot, ".vitepress/theme/data/provider-catalogs.json"), "utf8"),
 )
 
-if (packageMetadata.dependencies["@stack-sh/engine"] !== "0.9.0") {
-  throw new Error("Documentation must use the exact @stack-sh/engine 0.9.0 release")
+if (packageMetadata.dependencies["@stack-sh/engine"] !== "0.9.1") {
+  throw new Error("Documentation must use the exact @stack-sh/engine 0.9.1 release")
 }
 
 const expectedProviderCounts = { aws: 305, gcp: 45, azure: 639, "simple-icons": 62 }
diff --git a/scripts/validate-example-corpus.mjs b/scripts/validate-example-corpus.mjs
index ebbae7d..e784684 100644
--- a/scripts/validate-example-corpus.mjs
+++ b/scripts/validate-example-corpus.mjs
@@ -66,7 +66,7 @@ for (const example of catalog.examples) {
       providerIcons.length,
       `${example.id} ${operation} provider fallback count does not match its source`,
     )
-    assert.equal(result.metadata.engineVersion, "0.9.0")
+    assert.equal(result.metadata.engineVersion, "0.9.1")
     assert.deepEqual(result.metadata.languageVersion, { major: 1, minor: 0 })
   }
 
@@ -76,5 +76,5 @@ for (const example of catalog.examples) {
 }
 
 console.log(
-  `Validated ${catalog.examples.length} canonical examples with @stack-sh/engine 0.9.0; no SVG files are generated.`,
+  `Validated ${catalog.examples.length} canonical examples with @stack-sh/engine 0.9.1; no SVG files are generated.`,
 )