diff --git a/packages/medusa-file-spaces/package.json b/packages/medusa-file-spaces/package.json
index 620102aad8..9c4514ef20 100644
--- a/packages/medusa-file-spaces/package.json
+++ b/packages/medusa-file-spaces/package.json
@@ -32,13 +32,15 @@
     "watch": "babel -w src --out-dir . --ignore **/__tests__",
     "test": "jest"
   },
+  "peerDependencies": {
+    "medusa-interfaces": "1.x"
+  },
   "dependencies": {
     "@babel/plugin-transform-classes": "^7.9.5",
     "aws-sdk": "^2.710.0",
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
     "medusa-core-utils": "^1.0.0-alpha.24",
-    "medusa-interfaces": "^1.0.0-alpha.24",
     "medusa-test-utils": "^1.0.0-alpha.24",
     "stripe": "^8.50.0"
   },
diff --git a/packages/medusa-fulfillment-manual/package.json b/packages/medusa-fulfillment-manual/package.json
index 2d73fd5342..41dcc84340 100644
--- a/packages/medusa-fulfillment-manual/package.json
+++ b/packages/medusa-fulfillment-manual/package.json
@@ -27,6 +27,9 @@
     "prepare": "cross-env NODE_ENV=production npm run build",
     "watch": "babel -w src --out-dir . --ignore **/__tests__"
   },
+  "peerDependencies": {
+    "medusa-interfaces": "1.x"
+  },
   "dependencies": {
     "@babel/plugin-transform-classes": "^7.9.5",
     "@babel/plugin-transform-instanceof": "^7.8.3",
diff --git a/packages/medusa-payment-adyen/package.json b/packages/medusa-payment-adyen/package.json
index 705ae11773..f6597b0cab 100644
--- a/packages/medusa-payment-adyen/package.json
+++ b/packages/medusa-payment-adyen/package.json
@@ -32,6 +32,9 @@
     "watch": "babel -w src --out-dir . --ignore **/__tests__",
     "test": "jest"
   },
+  "peerDependencies": {
+    "medusa-interfaces": "1.x"
+  },
   "dependencies": {
     "@adyen/api-library": "^5.0.1",
     "@babel/plugin-transform-classes": "^7.9.5",
@@ -39,9 +42,7 @@
     "body-parser": "^1.19.0",
     "cors": "^2.8.5",
     "express": "^4.17.1",
-    "medusa-core-utils": "^1.0.0-alpha.24",
-    "medusa-interfaces": "^1.0.0-alpha.24",
-    "medusa-test-utils": "^1.0.0-alpha.24"
+    "medusa-core-utils": "^1.0.0-alpha.24"
   },
   "gitHead": "3cc7cbe5124cbcbb75f6e1435db4dcfaa2a60408"
 }
diff --git a/packages/medusa-payment-klarna/package.json b/packages/medusa-payment-klarna/package.json
index 10f2c60ffb..a008b5eae4 100644
--- a/packages/medusa-payment-klarna/package.json
+++ b/packages/medusa-payment-klarna/package.json
@@ -31,13 +31,15 @@
     "watch": "babel -w src --out-dir . --ignore **/__tests__",
     "test": "jest"
   },
+  "peerDependencies": {
+    "medusa-interfaces": "1.x"
+  },
   "dependencies": {
     "@babel/plugin-transform-classes": "^7.9.5",
     "axios": "^0.19.2",
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
     "medusa-core-utils": "^1.0.0-alpha.24",
-    "medusa-interfaces": "^1.0.0-alpha.24",
     "medusa-test-utils": "^1.0.0-alpha.24"
   },
   "gitHead": "3cc7cbe5124cbcbb75f6e1435db4dcfaa2a60408"
diff --git a/packages/medusa-plugin-contentful/package.json b/packages/medusa-plugin-contentful/package.json
index 8e37b47cb3..69e561fd49 100644
--- a/packages/medusa-plugin-contentful/package.json
+++ b/packages/medusa-plugin-contentful/package.json
@@ -31,13 +31,15 @@
     "watch": "babel -w src --out-dir . --ignore **/__tests__",
     "test": "jest"
   },
+  "peerDependencies": {
+    "medusa-interfaces": "1.x"
+  },
   "dependencies": {
     "@babel/plugin-transform-classes": "^7.9.5",
     "body-parser": "^1.19.0",
     "contentful-management": "^5.27.1",
     "express": "^4.17.1",
     "medusa-core-utils": "^1.0.0-alpha.24",
-    "medusa-interfaces": "^1.0.0-alpha.24",
     "medusa-test-utils": "^1.0.0-alpha.24",
     "redis": "^3.0.2"
   },
diff --git a/packages/medusa-plugin-discount-generator/package.json b/packages/medusa-plugin-discount-generator/package.json
index c8bfb9e0e3..0a8a570dc8 100644
--- a/packages/medusa-plugin-discount-generator/package.json
+++ b/packages/medusa-plugin-discount-generator/package.json
@@ -31,6 +31,9 @@
     "watch": "babel -w src --out-dir . --ignore **/__tests__",
     "test": "jest"
   },
+  "peerDependencies": {
+    "medusa-interfaces": "1.x"
+  },
   "dependencies": {
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
diff --git a/packages/medusa-plugin-economic/package.json b/packages/medusa-plugin-economic/package.json
index f6ee7184ed..84b42f5f7f 100644
--- a/packages/medusa-plugin-economic/package.json
+++ b/packages/medusa-plugin-economic/package.json
@@ -31,13 +31,15 @@
     "watch": "babel -w src --out-dir . --ignore **/__tests__",
     "test": "jest"
   },
+  "peerDependencies": {
+    "medusa-interfaces": "1.x"
+  },
   "dependencies": {
     "@babel/plugin-transform-classes": "^7.9.5",
     "axios": "^0.19.2",
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
     "medusa-core-utils": "^1.0.0-alpha.24",
-    "medusa-interfaces": "^1.0.0-alpha.24",
     "medusa-test-utils": "^1.0.0-alpha.24",
     "moment": "^2.27.0"
   },
diff --git a/packages/medusa-plugin-ip-lookup/package.json b/packages/medusa-plugin-ip-lookup/package.json
index 26987d9bf0..e65b6c8438 100644
--- a/packages/medusa-plugin-ip-lookup/package.json
+++ b/packages/medusa-plugin-ip-lookup/package.json
@@ -28,6 +28,9 @@
     "cross-env": "^5.2.1",
     "jest": "^25.5.2"
   },
+  "peerDependencies": {
+    "medusa-interfaces": "1.x"
+  },
   "dependencies": {
     "axios": "^0.20.0",
     "mongoose": "^5.8.0"
diff --git a/packages/medusa-plugin-permissions/package.json b/packages/medusa-plugin-permissions/package.json
index 9f83f0cc9c..1055b37bec 100644
--- a/packages/medusa-plugin-permissions/package.json
+++ b/packages/medusa-plugin-permissions/package.json
@@ -28,9 +28,11 @@
     "cross-env": "^5.2.1",
     "jest": "^25.5.2"
   },
+  "peerDependencies": {
+    "medusa-interfaces": "1.x"
+  },
   "dependencies": {
     "medusa-core-utils": "^1.0.0-alpha.24",
-    "medusa-interfaces": "^1.0.0-alpha.24",
     "medusa-test-utils": "^1.0.0-alpha.24",
     "mongoose": "^5.8.0"
   },
diff --git a/packages/medusa-plugin-segment/package.json b/packages/medusa-plugin-segment/package.json
index f1f75fe4b2..38923994bb 100644
--- a/packages/medusa-plugin-segment/package.json
+++ b/packages/medusa-plugin-segment/package.json
@@ -31,13 +31,15 @@
     "watch": "babel -w src --out-dir . --ignore **/__tests__",
     "test": "jest"
   },
+  "peerDependencies": {
+    "medusa-interfaces": "1.x"
+  },
   "dependencies": {
     "analytics-node": "^3.4.0-beta.1",
     "axios": "^0.19.2",
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
     "medusa-core-utils": "^1.0.0-alpha.24",
-    "medusa-interfaces": "^1.0.0-alpha.24",
     "medusa-test-utils": "^1.0.0-alpha.24"
   },
   "gitHead": "3cc7cbe5124cbcbb75f6e1435db4dcfaa2a60408"
diff --git a/packages/medusa-plugin-slack-notification/package.json b/packages/medusa-plugin-slack-notification/package.json
index 20ad2d0a15..a026768fd2 100644
--- a/packages/medusa-plugin-slack-notification/package.json
+++ b/packages/medusa-plugin-slack-notification/package.json
@@ -31,13 +31,15 @@
     "watch": "babel -w src --out-dir . --ignore **/__tests__",
     "test": "jest"
   },
+  "peerDependencies": {
+    "medusa-interfaces": "1.x"
+  },
   "dependencies": {
     "@babel/plugin-transform-classes": "^7.9.5",
     "axios": "^0.19.2",
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
     "medusa-core-utils": "^1.0.0-alpha.24",
-    "medusa-interfaces": "^1.0.0-alpha.24",
     "medusa-test-utils": "^1.0.0-alpha.24",
     "moment": "^2.27.0"
   },
diff --git a/packages/medusa-plugin-wishlist/package.json b/packages/medusa-plugin-wishlist/package.json
index 9817380e7d..bde21f902b 100644
--- a/packages/medusa-plugin-wishlist/package.json
+++ b/packages/medusa-plugin-wishlist/package.json
@@ -31,11 +31,13 @@
     "watch": "babel -w src --out-dir . --ignore **/__tests__",
     "test": "jest"
   },
+  "peerDependencies": {
+    "medusa-interfaces": "1.x"
+  },
   "dependencies": {
     "body-parser": "^1.19.0",
     "express": "^4.17.1",
     "medusa-core-utils": "^1.0.0-alpha.24",
-    "medusa-interfaces": "^1.0.0-alpha.24",
     "medusa-test-utils": "^1.0.0-alpha.24"
   },
   "gitHead": "3cc7cbe5124cbcbb75f6e1435db4dcfaa2a60408"