diff --git a/package-lock.json b/package-lock.json
index 3a61576..8d28355 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -8,19 +8,23 @@
       "name": "boardgame-core",
       "version": "1.0.0",
       "license": "MIT",
-      "dependencies": {
+      "devDependencies": {
         "@preact/signals-core": "^1.5.1",
         "inline-schema": "file:../inline-schema",
-        "mutative": "^1.3.0"
-      },
-      "devDependencies": {
+        "mutative": "^1.3.0",
         "tsup": "^8.0.2",
         "typescript": "^5.3.3",
         "vitest": "^1.3.1"
+      },
+      "peerDependencies": {
+        "@preact/signals-core": "^1.5.1",
+        "inline-schema": "file:../inline-schema",
+        "mutative": "^1.3.0"
       }
     },
     "../inline-schema": {
       "version": "1.0.0",
+      "dev": true,
       "license": "ISC",
       "dependencies": {
         "csv-parse": "^5.5.6"
@@ -534,6 +538,7 @@
       "version": "1.14.0",
       "resolved": "https://registry.npmjs.org/@preact/signals-core/-/signals-core-1.14.0.tgz",
       "integrity": "sha512-AowtCcCU/33lFlh1zRFf/u+12rfrhtNakj7UpaGEsmMwUKpKWMVvcktOGcwBBNiB4lWrZWc01LhiyyzVklJyaQ==",
+      "dev": true,
       "license": "MIT",
       "funding": {
         "type": "opencollective",
@@ -1511,6 +1516,7 @@
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/mutative/-/mutative-1.3.0.tgz",
       "integrity": "sha512-8MJj6URmOZAV70dpFe1YnSppRTKC4DsMkXQiBDFayLcDI4ljGokHxmpqaBQuDWa4iAxWaJJ1PS8vAmbntjjKmQ==",
+      "dev": true,
       "license": "MIT",
       "engines": {
         "node": ">=14.0"
diff --git a/package.json b/package.json
index 54202fb..6fa43bf 100644
--- a/package.json
+++ b/package.json
@@ -18,12 +18,15 @@
     "test:run": "vitest run",
     "typecheck": "tsc --noEmit"
   },
-  "dependencies": {
+  "peerDependencies": {
     "@preact/signals-core": "^1.5.1",
     "inline-schema": "file:../inline-schema",
     "mutative": "^1.3.0"
   },
   "devDependencies": {
+    "@preact/signals-core": "^1.5.1",
+    "inline-schema": "file:../inline-schema",
+    "mutative": "^1.3.0",
     "tsup": "^8.0.2",
     "typescript": "^5.3.3",
     "vitest": "^1.3.1"