diff --git a/package.json b/package.json
index 5b29ad0..ea61098 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "private": true,
   "devDependencies": {
     "@discourse/lint-configs": "2.37.2",
-    "@glint/ember-tsc": "1.8.4",
+    "@glint/ember-tsc": "1.8.6",
     "concurrently": "^10.0.3",
     "discourse": "npm:@discourse/types@2026.1.0-2709d36",
     "ember-template-lint": "7.9.3",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7b965e1..beab941 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,8 +12,8 @@ importers:
         specifier: 2.37.2
         version: 2.37.2(ember-template-lint@7.9.3)(eslint@9.39.2)(postcss@8.5.15)(prettier@3.8.0)(stylelint@17.0.0(typescript@5.9.3))
       '@glint/ember-tsc':
-        specifier: 1.8.4
-        version: 1.8.4(typescript@5.9.3)
+        specifier: 1.8.6
+        version: 1.8.6(typescript@5.9.3)
       concurrently:
         specifier: ^10.0.3
         version: 10.0.3
@@ -257,8 +257,8 @@ packages:
   '@glimmer/wire-format@0.94.8':
     resolution: {integrity: sha512-A+Cp5m6vZMAEu0Kg/YwU2dJZXyYxVJs2zI57d3CP6NctmX7FsT8WjViiRUmt5abVmMmRH5b8BUovqY6GSMAdrw==}
 
-  '@glint/ember-tsc@1.8.4':
-    resolution: {integrity: sha512-CVyXjdgCruMHo2FldjB1sGD7jq3F64kAXUL4r6Uj3fxWmJaAnqkClL5oqvX98/qv6rwsAOrGBaRvox1C2BUxIg==}
+  '@glint/ember-tsc@1.8.6':
+    resolution: {integrity: sha512-o+3W89TPh1sSXrshnYDFz7ATN8FD97LTWwoWXriqgj65eNCUGL9PqOg8bvyEEggQw1Yz30KdBZP+FuuwqQO2qA==}
     hasBin: true
     peerDependencies:
       ember-source: '>=3.28.0'
@@ -1790,15 +1790,15 @@ packages:
     resolution: {integrity: sha512-C+r0eKJUIfiDIfwJhria30+TYWPtuHJXHtI7J0YlOmKAo7ogxP20T0zxB7HZQIFhIyvoBPwWskjxrvAtfjyZfA==}
     engines: {node: '>=14.0.0'}
 
-  vscode-jsonrpc@9.0.0:
-    resolution: {integrity: sha512-+VvMmQPJhtvJ+8O+zu2JKIRiLxXF8NW7krWgyMGeOHrp4Cn23T5hc0v2LknNeopDOB70wghHAds7mKtcZ0I4Sg==}
+  vscode-jsonrpc@9.0.1:
+    resolution: {integrity: sha512-rfuA6T75H6m5EkbhtEPzre9pT0HPcDI2MMy4+nPFIBks5J8JBAUHD4tRYSgaBOijIEC7SRkC1kKyXTLqbmh9jw==}
     engines: {node: '>=14.0.0'}
 
   vscode-languageserver-protocol@3.17.5:
     resolution: {integrity: sha512-mb1bvRJN8SVznADSGWM9u/b07H7Ecg0I3OgXDuLdn307rl/J3A9YD6/eYOssqhecL27hK1IPZAsaqh00i/Jljg==}
 
-  vscode-languageserver-protocol@3.18.1:
-    resolution: {integrity: sha512-RTiiVHdpxpYcJVI5sq6S5TLjQ4WDR/rBrIWru+kPXe6sGQ9PFQ3GamrTKLvPqbR4ylr1SoodhmcqbFII0WXVuw==}
+  vscode-languageserver-protocol@3.18.2:
+    resolution: {integrity: sha512-XRyDbT0Pp3sSNti3JmxVEUMySWCSi1hhM+/KUlCy1hV1zmrqpM1OwO12EAki8blhmLuIMpaJrYbo0OzGVfK2Qg==}
 
   vscode-languageserver-textdocument@1.0.12:
     resolution: {integrity: sha512-cxWNPesCnQCcMPeenjKKsOCKQZ/L6Tv19DTRIGuLWe32lyzWhihGVJ/rcckZXJxfdKCFvRLS3fpBIsV/ZGX4zA==}
@@ -2179,7 +2179,7 @@ snapshots:
     dependencies:
       '@glimmer/interfaces': 0.94.6
 
-  '@glint/ember-tsc@1.8.4(typescript@5.9.3)':
+  '@glint/ember-tsc@1.8.6(typescript@5.9.3)':
     dependencies:
       '@glimmer/syntax': 0.95.0
       '@glint/template': 1.7.8
@@ -2195,7 +2195,7 @@ snapshots:
       typescript: 5.9.3
       volar-service-html: 0.0.71(@volar/language-service@2.4.28)
       volar-service-typescript: 0.0.71(@volar/language-service@2.4.28)
-      vscode-languageserver-protocol: 3.18.1
+      vscode-languageserver-protocol: 3.18.2
       vscode-languageserver-textdocument: 1.0.12
       vscode-uri: 3.1.0
     transitivePeerDependencies:
@@ -2311,14 +2311,14 @@ snapshots:
       path-browserify: 1.0.1
       request-light: 0.7.0
       vscode-languageserver: 9.0.1
-      vscode-languageserver-protocol: 3.18.1
+      vscode-languageserver-protocol: 3.18.2
       vscode-languageserver-textdocument: 1.0.12
       vscode-uri: 3.1.0
 
   '@volar/language-service@2.4.28':
     dependencies:
       '@volar/language-core': 2.4.28
-      vscode-languageserver-protocol: 3.18.1
+      vscode-languageserver-protocol: 3.18.2
       vscode-languageserver-textdocument: 1.0.12
       vscode-uri: 3.1.0
 
@@ -3907,16 +3907,16 @@ snapshots:
 
   vscode-jsonrpc@8.2.0: {}
 
-  vscode-jsonrpc@9.0.0: {}
+  vscode-jsonrpc@9.0.1: {}
 
   vscode-languageserver-protocol@3.17.5:
     dependencies:
       vscode-jsonrpc: 8.2.0
       vscode-languageserver-types: 3.17.5
 
-  vscode-languageserver-protocol@3.18.1:
+  vscode-languageserver-protocol@3.18.2:
     dependencies:
-      vscode-jsonrpc: 9.0.0
+      vscode-jsonrpc: 9.0.1
       vscode-languageserver-types: 3.18.0
 
   vscode-languageserver-textdocument@1.0.12: {}