diff --git a/ember-routable-component/package.json b/ember-routable-component/package.json
index f3268c3..45cc1f4 100644
--- a/ember-routable-component/package.json
+++ b/ember-routable-component/package.json
@@ -66,7 +66,7 @@
     "@babel/preset-typescript": "^7.18.6",
     "@babel/runtime": "^7.17.0",
     "@embroider/addon-dev": "^5.0.0",
-    "@glint/core": "^1.4.1-unstable.4675b5c",
+    "@glint/core": "^1.5.0",
     "@glint/environment-ember-loose": "^1.4.1-unstable.4675b5c",
     "@glint/environment-ember-template-imports": "^1.4.1-unstable.4675b5c",
     "@glint/template": "^1.4.0",
diff --git a/package.json b/package.json
index 8405203..a86bdae 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,7 @@
     "create-release-plan-setup": "^3.0.0"
   },
   "devDependencies": {
-    "@glint/core": "^1.4.1-unstable.4675b5c",
+    "@glint/core": "^1.5.0",
     "@glint/environment-ember-loose": "^1.4.1-unstable.4675b5c",
     "@glint/environment-ember-template-imports": "^1.4.1-unstable.4675b5c",
     "@glint/template": "^1.4.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 254f7d0..94a5a48 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -20,7 +20,7 @@ importers:
     devDependencies:
       '@glint/core':
         specifier: ^1.4.1-unstable.e8d1c9a
-        version: 1.4.1-unstable.ff9ea6c(typescript@5.5.3)
+        version: 1.5.0(typescript@5.5.3)
       '@glint/environment-ember-loose':
         specifier: ^1.4.1-unstable.e8d1c9a
         version: 1.4.1-unstable.ff9ea6c(@glimmer/component@1.1.2)(@glint/template@1.4.0)(ember-cli-htmlbars@6.3.0)(ember-modifier@4.2.0)
@@ -1238,6 +1238,12 @@ packages:
     peerDependencies:
       typescript: '>=4.8.0'
 
+  '@glint/core@1.5.0':
+    resolution: {integrity: sha512-oo6ZDwX2S0Qqjai/CJH72LHg1U6rvzH1IyiFlWofaFiu/nSg04CDWZuJNPC3r47jz1+SaSI+mVMUaKJznzxzzQ==}
+    hasBin: true
+    peerDependencies:
+      typescript: '>=4.8.0'
+
   '@glint/environment-ember-loose@1.4.1-unstable.ff9ea6c':
     resolution: {integrity: sha512-GK/BrLxaebJ5uU1UJky5MWEcGMiC9TBTnpNJnUtLF9u3CT11dhD6UGmfnxTfzSX5KowrL34hrzicA2ct/9KUdg==}
     peerDependencies:
@@ -6963,19 +6969,33 @@ packages:
       '@volar/language-service':
         optional: true
 
+  vscode-jsonrpc@8.1.0:
+    resolution: {integrity: sha512-6TDy/abTQk+zDGYazgbIPc+4JoXdwC8NHU9Pbn4UJP1fehUyZmM4RHp5IthX7A6L5KS30PRui+j+tbbMMMafdw==}
+    engines: {node: '>=14.0.0'}
+
   vscode-jsonrpc@8.2.0:
     resolution: {integrity: sha512-C+r0eKJUIfiDIfwJhria30+TYWPtuHJXHtI7J0YlOmKAo7ogxP20T0zxB7HZQIFhIyvoBPwWskjxrvAtfjyZfA==}
     engines: {node: '>=14.0.0'}
 
+  vscode-languageserver-protocol@3.17.3:
+    resolution: {integrity: sha512-924/h0AqsMtA5yK22GgMtCYiMdCOtWTSGgUOkgEDX+wk2b0x4sAfLiO4NxBxqbiVtz7K7/1/RgVrVI0NClZwqA==}
+
   vscode-languageserver-protocol@3.17.5:
     resolution: {integrity: sha512-mb1bvRJN8SVznADSGWM9u/b07H7Ecg0I3OgXDuLdn307rl/J3A9YD6/eYOssqhecL27hK1IPZAsaqh00i/Jljg==}
 
   vscode-languageserver-textdocument@1.0.11:
     resolution: {integrity: sha512-X+8T3GoiwTVlJbicx/sIAF+yuJAqz8VvwJyoMVhwEMoEKE/fkDmrqUgDMyBECcM2A2frVZIUj5HI/ErRXCfOeA==}
 
+  vscode-languageserver-types@3.17.3:
+    resolution: {integrity: sha512-SYU4z1dL0PyIMd4Vj8YOqFvHu7Hz/enbWtpfnVbJHU4Nd1YNYx8u0ennumc6h48GQNeOLxmwySmnADouT/AuZA==}
+
   vscode-languageserver-types@3.17.5:
     resolution: {integrity: sha512-Ld1VelNuX9pdF39h2Hgaeb5hEZM2Z3jUrrMgWQAu82jMtZp7p3vJT3BzToKtZI7NgQssZje5o0zryOrhQvzQAg==}
 
+  vscode-languageserver@8.1.0:
+    resolution: {integrity: sha512-eUt8f1z2N2IEUDBsKaNapkz7jl5QpskN2Y0G01T/ItMxBxw1fJwvtySGB9QMecatne8jFIWJGWI61dWjyTLQsw==}
+    hasBin: true
+
   vscode-languageserver@9.0.1:
     resolution: {integrity: sha512-woByF3PDpkHFUreUa7Hos7+pUWdeWMXRd26+ZX2A8cFx6v/JPTtd4/uN0/jB6XQHYaOlHbio03NTHCqrgG5n7g==}
     hasBin: true
@@ -8533,6 +8553,21 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  '@glint/core@1.5.0(typescript@5.5.3)':
+    dependencies:
+      '@glimmer/syntax': 0.84.3
+      escape-string-regexp: 4.0.0
+      semver: 7.6.2
+      silent-error: 1.1.1
+      typescript: 5.5.3
+      uuid: 8.3.2
+      vscode-languageserver: 8.1.0
+      vscode-languageserver-textdocument: 1.0.11
+      vscode-uri: 3.0.8
+      yargs: 17.7.2
+    transitivePeerDependencies:
+      - supports-color
+
   '@glint/environment-ember-loose@1.4.1-unstable.ff9ea6c(@glimmer/component@1.1.2(@babel/core@7.24.9))(@glint/template@1.4.0)(ember-cli-htmlbars@6.3.0)(ember-modifier@4.2.0(@babel/core@7.24.9)(ember-source@5.12.0(@glimmer/component@1.1.2(@babel/core@7.24.9))(@glint/template@1.4.0)(rsvp@4.8.5)(webpack@5.92.1)))':
     dependencies:
       '@glimmer/component': 1.1.2(@babel/core@7.24.9)
@@ -15583,8 +15618,15 @@ snapshots:
     optionalDependencies:
       '@volar/language-service': 2.3.4
 
+  vscode-jsonrpc@8.1.0: {}
+
   vscode-jsonrpc@8.2.0: {}
 
+  vscode-languageserver-protocol@3.17.3:
+    dependencies:
+      vscode-jsonrpc: 8.1.0
+      vscode-languageserver-types: 3.17.3
+
   vscode-languageserver-protocol@3.17.5:
     dependencies:
       vscode-jsonrpc: 8.2.0
@@ -15592,8 +15634,14 @@ snapshots:
 
   vscode-languageserver-textdocument@1.0.11: {}
 
+  vscode-languageserver-types@3.17.3: {}
+
   vscode-languageserver-types@3.17.5: {}
 
+  vscode-languageserver@8.1.0:
+    dependencies:
+      vscode-languageserver-protocol: 3.17.3
+
   vscode-languageserver@9.0.1:
     dependencies:
       vscode-languageserver-protocol: 3.17.5
diff --git a/test-app/package.json b/test-app/package.json
index e23f088..1e7960f 100644
--- a/test-app/package.json
+++ b/test-app/package.json
@@ -40,7 +40,7 @@
     "@embroider/test-setup": "^4.0.0",
     "@glimmer/component": "^1.1.2",
     "@glimmer/tracking": "^1.1.2",
-    "@glint/core": "^1.4.1-unstable.4675b5c",
+    "@glint/core": "^1.5.0",
     "@glint/environment-ember-loose": "^1.4.1-unstable.4675b5c",
     "@glint/environment-ember-template-imports": "^1.4.1-unstable.4675b5c",
     "@glint/template": "^1.4.0",