diff --git a/packages/ember-aria-voyager/package.json b/packages/ember-aria-voyager/package.json
index 3b420091..667ebefc 100644
--- a/packages/ember-aria-voyager/package.json
+++ b/packages/ember-aria-voyager/package.json
@@ -80,7 +80,7 @@
     "@embroider/core": "^4.6.2",
     "@embroider/macros": "^1.20.5",
     "@embroider/vite": "^1.7.8",
-    "@glint/ember-tsc": "^1.8.11",
+    "@glint/ember-tsc": "^1.8.12",
     "@glint/template": "^1.7.8",
     "@gossi/config-eslint": "catalog:lint",
     "@gossi/config-prettier": "catalog:lint",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ce0528b5..7b2e9487 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -200,8 +200,8 @@ importers:
         specifier: ^1.7.8
         version: 1.7.8(@embroider/core@4.6.2(@glint/template@1.7.8))(@glint/template@1.7.8)(vite@8.0.16(@types/node@24.3.1)(esbuild@0.27.2)(jiti@2.5.1)(terser@5.44.0)(yaml@2.9.0))
       '@glint/ember-tsc':
-        specifier: ^1.8.11
-        version: 1.8.11(ember-source@7.1.0(@glimmer/component@2.0.0))(typescript@6.0.3)
+        specifier: ^1.8.12
+        version: 1.8.12(ember-source@7.1.0(@glimmer/component@2.0.0))(typescript@6.0.3)
       '@glint/template':
         specifier: ^1.7.8
         version: 1.7.8
@@ -1354,8 +1354,8 @@ packages:
   '@glimmer/wire-format@0.94.8':
     resolution: {integrity: sha512-A+Cp5m6vZMAEu0Kg/YwU2dJZXyYxVJs2zI57d3CP6NctmX7FsT8WjViiRUmt5abVmMmRH5b8BUovqY6GSMAdrw==}
 
-  '@glint/ember-tsc@1.8.11':
-    resolution: {integrity: sha512-Dj5OAMFwckQ05b0zy/3h750/+hnaM/ef0423U2LdIafw8Ie2yx2zKWK6X0s/mN136VCEPBbMsn9qhg+vBXBEog==}
+  '@glint/ember-tsc@1.8.12':
+    resolution: {integrity: sha512-crG2gYm4H5ckYwBVNpb+DWtHkf9c4Rn1K32+JMMJLZFepcyUkoJdCRQiMcfs3zQSmR8OdvAv6ggB51FML4a4Zg==}
     hasBin: true
     peerDependencies:
       ember-source: '>=3.28.0'
@@ -8422,7 +8422,7 @@ snapshots:
     dependencies:
       '@glimmer/interfaces': 0.94.6
 
-  '@glint/ember-tsc@1.8.11(ember-source@7.1.0(@glimmer/component@2.0.0))(typescript@6.0.3)':
+  '@glint/ember-tsc@1.8.12(ember-source@7.1.0(@glimmer/component@2.0.0))(typescript@6.0.3)':
     dependencies:
       '@glimmer/syntax': 0.95.0
       '@glint/template': 1.7.8