diff --git a/examples/example-simple-chat/package.json b/examples/example-simple-chat/package.json
index 6f9a2f8..7a06f53 100644
--- a/examples/example-simple-chat/package.json
+++ b/examples/example-simple-chat/package.json
@@ -16,12 +16,12 @@
   "author": "Tony Garnock-Jones <tonyg@leastfixedpoint.com>",
   "license": "GPL-3.0+",
   "dependencies": {
+    "@preserves/core": "0.992",
     "@syndicate-lang/core": "*",
     "@syndicate-lang/html": "*",
     "@syndicate-lang/ws-relay": "*"
   },
   "devDependencies": {
-    "@preserves/core": "0.992",
     "@preserves/schema-cli": "0.992",
     "@syndicate-lang/ts-plugin": "*",
     "@syndicate-lang/tsc": "*",
diff --git a/package.json b/package.json
index 5e27717..1947396 100644
--- a/package.json
+++ b/package.json
@@ -6,6 +6,7 @@
     "packages/*/examples/*/"
   ],
   "devDependencies": {
+    "@preserves/core": "*",
     "@rollup/plugin-node-resolve": "^13.0",
     "@types/jest": "^27.0",
     "@types/node": "^14",
diff --git a/packages/core/package.json b/packages/core/package.json
index 3429a5e..943d129 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -31,9 +31,10 @@
   "devDependencies": {
     "@preserves/schema-cli": "0.992"
   },
+  "peerDependencies": {
+    "@preserves/core": "0.992"
+  },
   "dependencies": {
-    "@preserves/core": "0.992",
-    "@preserves/schema": "0.992",
     "salty-crypto": "0.3.1"
   }
 }
diff --git a/packages/create/template/package.json b/packages/create/template/package.json
index 950f05b..17a40bd 100644
--- a/packages/create/template/package.json
+++ b/packages/create/template/package.json
@@ -3,7 +3,6 @@
   "version": "0.0.0",
   "license": "GPL-3.0+",
   "devDependencies": {
-    "@preserves/core": "0.992",
     "@preserves/schema-cli": "0.992",
     "@syndicate-lang/ts-plugin": "*",
     "@syndicate-lang/tsc": "*",
@@ -13,6 +12,7 @@
     "typescript-language-server": "^3.0"
   },
   "dependencies": {
+    "@preserves/core": "0.992",
     "@syndicate-lang/core": "*",
     "@syndicate-lang/html": "*",
     "@syndicate-lang/ws-relay": "*"
diff --git a/packages/fs/package.json b/packages/fs/package.json
index fcfb077..c762515 100644
--- a/packages/fs/package.json
+++ b/packages/fs/package.json
@@ -26,8 +26,10 @@
   "bin": {
     "syndicate-fs": "./bin/syndicate-fs.js"
   },
+  "peerDependencies": {
+    "@preserves/core": "0.992"
+  },
   "dependencies": {
-    "@preserves/core": "0.992",
     "@syndicate-lang/core": "^0.19.1",
     "@syndicate-lang/service": "^0.19.1",
     "chokidar": "^3.5.3"
diff --git a/packages/ws-relay/package.json b/packages/ws-relay/package.json
index 6314ca6..26b61d7 100644
--- a/packages/ws-relay/package.json
+++ b/packages/ws-relay/package.json
@@ -24,8 +24,10 @@
   "module": "lib/index.js",
   "types": "lib/index.d.ts",
   "author": "Tony Garnock-Jones <tonyg@leastfixedpoint.com>",
+  "peerDependencies": {
+    "@preserves/core": "0.992"
+  },
   "dependencies": {
-    "@preserves/core": "0.992",
     "@syndicate-lang/core": "^0.19.1",
     "salty-crypto": "0.3"
   },
diff --git a/yarn.lock b/yarn.lock
index b9db091..1ddd8d2 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1403,7 +1403,7 @@
   dependencies:
     "@octokit/openapi-types" "^12.11.0"
 
-"@preserves/core@0.992", "@preserves/core@^0.992.3":
+"@preserves/core@*", "@preserves/core@^0.992.3":
   version "0.992.3"
   resolved "https://registry.yarnpkg.com/@preserves/core/-/core-0.992.3.tgz#776a43db71c95cc4d1c276ebe85aef39587a6f4c"
   integrity sha512-thDNEIAvD1j4OZqAItXEdKSR/wklKp/lCY2Lxdmj8oLRM82jaTzvlvkQwUIK08zcV3QVBaIed/UeG4J1W4Jlrw==
@@ -1421,7 +1421,7 @@
     glob "^7.1"
     minimatch "^3.0"
 
-"@preserves/schema@0.992", "@preserves/schema@^0.992.3":
+"@preserves/schema@^0.992.3":
   version "0.992.3"
   resolved "https://registry.yarnpkg.com/@preserves/schema/-/schema-0.992.3.tgz#1e7fcc882638b1dd11fd4344ed5c27dadb9d0cc2"
   integrity sha512-TM/Y0GuRDxoViNAwccMFBT19vp3woH4rnfDBuwL9RJ7KCVMAX9eyhJjL81wsX1i7bo4pFpJPQz6bV/NtgPB0Tg==