diff --git a/package.json b/package.json
index 7dc9ab96..c6e9ba69 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "ember-maybe-import-regenerator": "1.0.0",
     "ember-qunit": "6.0.0",
     "ember-resolver": "8.0.3",
-    "ember-source": "4.8.2",
+    "ember-source": "4.9.1",
     "ember-source-channel-url": "3.0.0",
     "ember-try": "2.0.0",
     "eslint": "8.28.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index b5e9c975..d31bcc37 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -19,7 +19,7 @@ specifiers:
   ember-maybe-import-regenerator: 1.0.0
   ember-qunit: 6.0.0
   ember-resolver: 8.0.3
-  ember-source: 4.8.2
+  ember-source: 4.9.1
   ember-source-channel-url: 3.0.0
   ember-try: 2.0.0
   eslint: 8.28.0
@@ -46,7 +46,7 @@ dependencies:
 devDependencies:
   '@babel/core': 7.20.2
   '@ember/optional-features': 2.0.0
-  '@ember/test-helpers': 2.8.1_o6vra3atesdmwivzf2sf5xbdmm
+  '@ember/test-helpers': 2.8.1_v4irdqj3u7fneaipaeeellf3fu
   '@embroider/test-setup': 1.8.3
   broccoli-stew: 3.0.0
   ember-auto-import: 2.4.3_webpack@5.75.0
@@ -59,7 +59,7 @@ devDependencies:
   ember-maybe-import-regenerator: 1.0.0
   ember-qunit: 6.0.0_qhusffjocg4cnbdwj4yxijwhva
   ember-resolver: 8.0.3_@babel+core@7.20.2
-  ember-source: 4.8.2_npabyccmuonwo2rku4k53xo3hi
+  ember-source: 4.9.1_npabyccmuonwo2rku4k53xo3hi
   ember-source-channel-url: 3.0.0
   ember-try: 2.0.0
   eslint: 8.28.0
@@ -1244,7 +1244,7 @@ packages:
       - supports-color
     dev: true
 
-  /@ember/test-helpers/2.8.1_o6vra3atesdmwivzf2sf5xbdmm:
+  /@ember/test-helpers/2.8.1_v4irdqj3u7fneaipaeeellf3fu:
     resolution: {integrity: sha512-jbsYwWyAdhL/pdPu7Gb3SG1gvIXY70FWMtC/Us0Kmvk82Y+5YUQ1SOC0io75qmOGYQmH7eQrd/bquEVd+4XtdQ==}
     engines: {node: 10.* || 12.* || 14.* || 15.* || >= 16.*}
     peerDependencies:
@@ -1252,13 +1252,13 @@ packages:
     dependencies:
       '@ember/test-waiters': 3.0.2
       '@embroider/macros': 1.9.0
-      '@embroider/util': 1.9.0_ember-source@4.8.2
+      '@embroider/util': 1.9.0_ember-source@4.9.1
       broccoli-debug: 0.6.5
       broccoli-funnel: 3.0.8
       ember-cli-babel: 7.26.11
       ember-cli-htmlbars: 5.7.2
       ember-destroyable-polyfill: 2.0.3_@babel+core@7.20.2
-      ember-source: 4.8.2_npabyccmuonwo2rku4k53xo3hi
+      ember-source: 4.9.1_npabyccmuonwo2rku4k53xo3hi
     transitivePeerDependencies:
       - '@babel/core'
       - supports-color
@@ -1314,7 +1314,7 @@ packages:
       resolve: 1.22.1
     dev: true
 
-  /@embroider/util/1.9.0_ember-source@4.8.2:
+  /@embroider/util/1.9.0_ember-source@4.9.1:
     resolution: {integrity: sha512-9I63iJK6N01OHJafmS/BX0msUkTlmhFMIEmDl/SRNACVi0nS6QfNyTgTTeji1P/DALf6eobg/9t/N4VhS9G9QA==}
     engines: {node: 12.* || 14.* || >= 16}
     peerDependencies:
@@ -1323,7 +1323,7 @@ packages:
       '@embroider/macros': 1.9.0
       broccoli-funnel: 3.0.8
       ember-cli-babel: 7.26.11
-      ember-source: 4.8.2_npabyccmuonwo2rku4k53xo3hi
+      ember-source: 4.9.1_npabyccmuonwo2rku4k53xo3hi
     transitivePeerDependencies:
       - supports-color
     dev: true
@@ -4530,7 +4530,7 @@ packages:
       '@ember/test-helpers': ^2.4.0
       qunit: ^2.13.0
     dependencies:
-      '@ember/test-helpers': 2.8.1_o6vra3atesdmwivzf2sf5xbdmm
+      '@ember/test-helpers': 2.8.1_v4irdqj3u7fneaipaeeellf3fu
       broccoli-funnel: 3.0.8
       broccoli-merge-trees: 3.0.2
       common-tags: 1.8.2
@@ -4585,9 +4585,9 @@ packages:
       - encoding
     dev: true
 
-  /ember-source/4.8.2_npabyccmuonwo2rku4k53xo3hi:
-    resolution: {integrity: sha512-YU/ytPaua+QOw+2qRrZM7qahAmxv+N8Utv/Xz2e01NQci6KTaY3AXx6SS3ge0G/KlGyL9ouaHLyHqv7xkcV2ww==}
-    engines: {node: '>= 12.*'}
+  /ember-source/4.9.1_npabyccmuonwo2rku4k53xo3hi:
+    resolution: {integrity: sha512-45dobRcQapTpWa6VWgDcAv6bP6iDxCVi5pJAf04NSRjDLHsjVGUCTdRslOl5rt3sX8dZJqakMnqYD2DwVjDf3A==}
+    engines: {node: '>= 14.*'}
     peerDependencies:
       '@glimmer/component': ^1.1.2
     dependencies:
@@ -10533,7 +10533,7 @@ packages:
       is-yarn-global: 0.3.0
       latest-version: 5.1.0
       pupa: 2.1.1
-      semver: 7.3.5
+      semver: 7.3.8
       semver-diff: 3.1.1
       xdg-basedir: 4.0.0
     dev: true