diff --git a/.npmrc b/.npmrc
index bc74982..ef3245b 100644
--- a/.npmrc
+++ b/.npmrc
@@ -7,3 +7,6 @@ auto-install-peers=false
 # we want true isolation,
 # if a dependency is not declared, we want an error
 resolve-peers-from-workspace-root=false
+
+# Fail if there is a missing or invalid peer dependency in the tree.
+strict-peer-dependencies=true
diff --git a/ember-lazy-mount/package.json b/ember-lazy-mount/package.json
index 69fdbb6..13f3f59 100644
--- a/ember-lazy-mount/package.json
+++ b/ember-lazy-mount/package.json
@@ -31,8 +31,7 @@
   },
   "dependencies": {
     "@ember/test-waiters": "^3.1.0",
-    "@embroider/addon-shim": "^1.8.7",
-    "@embroider/macros": "^1.16.5",
+    "@embroider/addon-shim": "^1.8.9",
     "decorator-transforms": "^2.0.0"
   },
   "devDependencies": {
@@ -55,7 +54,7 @@
     "rollup": "^4.18.1"
   },
   "peerDependencies": {
-    "ember-source": ">= 4.0.0"
+    "ember-source": "^4.12.0 || >= 5"
   },
   "publishConfig": {
     "registry": "https://registry.npmjs.org"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index c47318d..d652c3c 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -14,11 +14,8 @@ importers:
         specifier: ^3.1.0
         version: 3.1.0
       '@embroider/addon-shim':
-        specifier: ^1.8.7
+        specifier: ^1.8.9
         version: 1.8.9
-      '@embroider/macros':
-        specifier: ^1.16.5
-        version: 1.16.5
       decorator-transforms:
         specifier: ^2.0.0
         version: 2.0.0(@babel/core@7.24.7)
@@ -1990,6 +1987,7 @@ packages:
       semver: 7.6.2
     transitivePeerDependencies:
       - supports-color
+    dev: true
 
   /@embroider/shared-internals@2.6.2:
     resolution: {integrity: sha512-jL3Bjn8C73AUBlTex+VixP7YmqvPNN/BZFB85odTstzLFOuR8y2mmGiuWbq17qNuFyoxc6xtndMnAeqwCXBNkA==}
@@ -3346,6 +3344,7 @@ packages:
 
   /assert-never@1.3.0:
     resolution: {integrity: sha512-9Z3vxQ+berkL/JJo0dK+EY3Lp0s3NtSnP3VCLsh5HDcZPrh0M+KQRK5sWhUeyPPH+/RCxZqOxLMR+YC6vlviEQ==}
+    dev: true
 
   /assign-symbols@1.0.0:
     resolution: {integrity: sha512-Q+JC7Whu8HhmTdBph/Tq59IoRtoy6KAm5zzPv00WdujX82lbAL8K7WVjne7vdCsAmbF4AYaDOPyO3k0kl8qIrw==}
@@ -7219,6 +7218,7 @@ packages:
     dependencies:
       locate-path: 6.0.0
       path-exists: 4.0.0
+    dev: true
 
   /find-up@7.0.0:
     resolution: {integrity: sha512-YyZM99iHrqLKjmt4LJDj58KI+fYyufRLBSYcqycxf//KpBk9FoewoGX0450m9nB44qrZnovzC2oeP5hUibxc/g==}
@@ -8853,6 +8853,7 @@ packages:
     engines: {node: '>=10'}
     dependencies:
       p-locate: 5.0.0
+    dev: true
 
   /locate-path@7.2.0:
     resolution: {integrity: sha512-gvVijfZvn7R+2qyPX8mAuKcFGDf6Nc61GdvGafQsHL0sBIxfKzA+usWn4GFC/bk+QdwPUD4kWFJLhElipq+0VA==}
@@ -9785,6 +9786,7 @@ packages:
     engines: {node: '>=10'}
     dependencies:
       yocto-queue: 0.1.0
+    dev: true
 
   /p-limit@4.0.0:
     resolution: {integrity: sha512-5b0R4txpzjPWVw/cXXUResoD4hb6U/x9BH08L7nw+GN1sezDzPdxeRvpc9c433fZhBan/wusjbCsqwqm4EIBIQ==}
@@ -9817,6 +9819,7 @@ packages:
     engines: {node: '>=10'}
     dependencies:
       p-limit: 3.1.0
+    dev: true
 
   /p-locate@6.0.0:
     resolution: {integrity: sha512-wPrq66Llhl7/4AGC6I+cqxT07LhXvWL08LNXz1fENOw0Ap4sRZZ/gZpTTJ5jpurzzzfS2W/Ge9BY3LgLjCShcw==}
@@ -12579,6 +12582,7 @@ packages:
   /yocto-queue@0.1.0:
     resolution: {integrity: sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==}
     engines: {node: '>=10'}
+    dev: true
 
   /yocto-queue@1.1.1:
     resolution: {integrity: sha512-b4JR1PFR10y1mKjhHY9LaGo6tmrgjit7hxVIeAmyMw3jegXR4dhYqLaQF5zMXZxY7tLpMyJeLjr1C4rLmkVe8g==}