diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 8449c7f2..e4e75f04 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -3,5 +3,5 @@
   "packages/react": "0.4.3",
   "packages/web": "1.2.2",
   "packages/server": "1.15.0",
-  "packages/shared": "1.3.0"
+  "packages/shared": "1.4.0"
 }
diff --git a/package-lock.json b/package-lock.json
index f69f31a7..0db6542d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2425,12 +2425,6 @@
         "parse5": "^7.0.0"
       }
     },
-    "node_modules/@types/json-schema": {
-      "version": "7.0.15",
-      "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.15.tgz",
-      "integrity": "sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==",
-      "dev": true
-    },
     "node_modules/@types/json5": {
       "version": "0.0.29",
       "resolved": "https://registry.npmjs.org/@types/json5/-/json5-0.0.29.tgz",
@@ -13862,17 +13856,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "packages/web": {
-      "name": "@openfeature/web-sdk",
-      "version": "1.2.2",
-      "license": "Apache-2.0",
-      "devDependencies": {
-        "@openfeature/core": "1.3.0"
-      },
-      "peerDependencies": {
-        "@openfeature/core": "1.3.0"
-      }
-    },
     "packages/nest": {
       "name": "@openfeature/nestjs-sdk",
       "version": "0.2.1-experimental",
@@ -13912,20 +13895,31 @@
       "version": "1.15.0",
       "license": "Apache-2.0",
       "devDependencies": {
-        "@openfeature/core": "1.3.0"
+        "@openfeature/core": "1.4.0"
       },
       "engines": {
         "node": ">=18"
       },
       "peerDependencies": {
-        "@openfeature/core": "1.3.0"
+        "@openfeature/core": "1.4.0"
       }
     },
     "packages/shared": {
       "name": "@openfeature/core",
-      "version": "1.3.0",
+      "version": "1.4.0",
       "license": "Apache-2.0",
       "devDependencies": {}
+    },
+    "packages/web": {
+      "name": "@openfeature/web-sdk",
+      "version": "1.2.2",
+      "license": "Apache-2.0",
+      "devDependencies": {
+        "@openfeature/core": "1.4.0"
+      },
+      "peerDependencies": {
+        "@openfeature/core": "1.3.0"
+      }
     }
   }
 }
diff --git a/packages/server/package.json b/packages/server/package.json
index 6caacb4c..cd561b34 100644
--- a/packages/server/package.json
+++ b/packages/server/package.json
@@ -48,9 +48,9 @@
     "node": ">=18"
   },
   "peerDependencies": {
-    "@openfeature/core": "1.3.0"
+    "@openfeature/core": "1.4.0"
   },
   "devDependencies": {
-    "@openfeature/core": "1.3.0"
+    "@openfeature/core": "1.4.0"
   }
 }
diff --git a/packages/shared/CHANGELOG.md b/packages/shared/CHANGELOG.md
index bd6ce08a..0fd759e5 100644
--- a/packages/shared/CHANGELOG.md
+++ b/packages/shared/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog 
 
+## [1.4.0](https://github.com/open-feature/js-sdk/compare/core-v1.3.0...core-v1.4.0) (2024-08-28)
+
+
+### ✨ New Features
+
+* updated the Metadata type to allow for custom properties ([#975](https://github.com/open-feature/js-sdk/issues/975)) ([16b0d74](https://github.com/open-feature/js-sdk/commit/16b0d743404da1f82d5fbada1ad5bedc0d253417))
+
 ## [1.3.0](https://github.com/open-feature/js-sdk/compare/core-v1.2.0...core-v1.3.0) (2024-06-11)
 
 
diff --git a/packages/shared/package.json b/packages/shared/package.json
index 21658a68..7e3a5999 100644
--- a/packages/shared/package.json
+++ b/packages/shared/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@openfeature/core",
-  "version": "1.3.0",
+  "version": "1.4.0",
   "description": "Shared OpenFeature JS components (server and web)",
   "main": "./dist/cjs/index.js",
   "files": [
diff --git a/packages/web/package.json b/packages/web/package.json
index a709bc4a..eb5d3633 100644
--- a/packages/web/package.json
+++ b/packages/web/package.json
@@ -49,6 +49,6 @@
     "@openfeature/core": "1.3.0"
   },
   "devDependencies": {
-    "@openfeature/core": "1.3.0"
+    "@openfeature/core": "1.4.0"
   }
 }