upgrade fp-ts dependency

CHANGELOG.md

@@ -12,6 +12,11 @@
 **Note**: Gaps between patch versions are faulty/broken releases.
 **Note**: A feature tagged as Experimental is in a high state of flux, you're at risk of it changing without notice.
 
+# 0.8.0
+
+- **Breaking Change**
+  - upgrade `fp-ts` dependency (@gcanti)
+
 # 0.7.2
 
 - **Bug Fix**

package.json

@@ -1,6 +1,6 @@
 {
   "name": "io-ts",
-  "version": "0.7.2",
+  "version": "0.8.0",
   "description": "TypeScript compatible runtime type system for IO validation",
   "files": ["lib"],
   "main": "lib/index.js",
@@ -25,7 +25,7 @@
   },
   "homepage": "https://github.com/gcanti/io-ts",
   "dependencies": {
-    "fp-ts": "^0.5.2"
+    "fp-ts": "^0.6.0"
   },
   "devDependencies": {
     "@types/mocha": "2.2.38",
@@ -35,7 +35,7 @@
     "ts-node": "3.2.0",
     "tslint": "4.4.2",
     "tslint-config-standard": "4.0.0",
-    "typescript": "^2.5.2",
+    "typescript": "2.6.0-rc",
     "typings-checker": "1.1.2"
   },
   "tags": ["typescript", "validation", "inference", "types", "runtime"],