diff --git a/CHANGELOG.md b/CHANGELOG.md
index ab8202ab..50968ad0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,12 @@
+## [6.1.4](https://github.com/segmentio/typewriter/compare/6.1.3...6.1.4) (2019-06-04)
+
+
+### Bug Fixes
+
+* **iOS:** assign -> copy for numeric types ([#61](https://github.com/segmentio/typewriter/issues/61)) ([7a2ec99](https://github.com/segmentio/typewriter/commit/7a2ec99))
+
+
+
 ## [6.1.3](https://github.com/segmentio/typewriter/compare/6.1.2...6.1.3) (2019-03-06)
 
 
diff --git a/examples/gen-ios/objectivec/TypewriterExample/Analytics/SEGKicksAppAnalytics.m b/examples/gen-ios/objectivec/TypewriterExample/Analytics/SEGKicksAppAnalytics.m
index abc6020c..18eafebc 100644
--- a/examples/gen-ios/objectivec/TypewriterExample/Analytics/SEGKicksAppAnalytics.m
+++ b/examples/gen-ios/objectivec/TypewriterExample/Analytics/SEGKicksAppAnalytics.m
@@ -15,7 +15,7 @@ static id NSNullify(id _Nullable x) {
     NSDictionary<NSString *, id> *typewriterContext = @{
                                                         @"typewriter": @{
                                                                 @"name": @"gen-ios",
-                                                                @"version": @"6.1.3"
+                                                                @"version": @"6.1.4"
                                                                 }
                                                         };
     NSMutableDictionary *context = [NSMutableDictionary dictionaryWithCapacity:customContext.count + typewriterContext.count];
diff --git a/examples/gen-js/js/analytics/generated/index.js b/examples/gen-js/js/analytics/generated/index.js
index a9f4e9c9..157a9fc4 100644
--- a/examples/gen-js/js/analytics/generated/index.js
+++ b/examples/gen-js/js/analytics/generated/index.js
@@ -22,7 +22,7 @@ export default class Analytics {
       ...context,
       typewriter: {
         name: "gen-js",
-        version: "6.1.3"
+        version: "6.1.4"
       }
     };
   }
diff --git a/examples/gen-js/node/analytics/generated/index.js b/examples/gen-js/node/analytics/generated/index.js
index e2fb6ebe..d6f53f0c 100644
--- a/examples/gen-js/node/analytics/generated/index.js
+++ b/examples/gen-js/node/analytics/generated/index.js
@@ -23,7 +23,7 @@ class Analytics {
     return Object.assign({}, context, {
       typewriter: {
         name: "gen-js",
-        version: "6.1.3"
+        version: "6.1.4"
       }
     });
   }
diff --git a/examples/gen-js/ts/analytics/generated/index.js b/examples/gen-js/ts/analytics/generated/index.js
index a9f4e9c9..157a9fc4 100644
--- a/examples/gen-js/ts/analytics/generated/index.js
+++ b/examples/gen-js/ts/analytics/generated/index.js
@@ -22,7 +22,7 @@ export default class Analytics {
       ...context,
       typewriter: {
         name: "gen-js",
-        version: "6.1.3"
+        version: "6.1.4"
       }
     };
   }
diff --git a/package.json b/package.json
index 0d00ada1..520e527a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "typewriter",
-  "version": "6.1.3",
+  "version": "6.1.4",
   "description": "A compiler for generating strongly typed analytics clients from JSON Schema",
   "keywords": [
     "analytics",
diff --git a/tests/commands/gen-ios/__snapshots__/SEGTestTrackingPlanAnalytics.m b/tests/commands/gen-ios/__snapshots__/SEGTestTrackingPlanAnalytics.m
index 3d9fe0eb..f497a092 100644
--- a/tests/commands/gen-ios/__snapshots__/SEGTestTrackingPlanAnalytics.m
+++ b/tests/commands/gen-ios/__snapshots__/SEGTestTrackingPlanAnalytics.m
@@ -15,7 +15,7 @@ static id NSNullify(id _Nullable x) {
     NSDictionary<NSString *, id> *typewriterContext = @{
                                                         @"typewriter": @{
                                                                 @"name": @"gen-ios",
-                                                                @"version": @"6.1.3"
+                                                                @"version": @"6.1.4"
                                                                 }
                                                         };
     NSMutableDictionary *context = [NSMutableDictionary dictionaryWithCapacity:customContext.count + typewriterContext.count];
diff --git a/tests/commands/gen-js/__snapshots__/index.amd.js b/tests/commands/gen-js/__snapshots__/index.amd.js
index 4f1f3004..6647f8b3 100644
--- a/tests/commands/gen-js/__snapshots__/index.amd.js
+++ b/tests/commands/gen-js/__snapshots__/index.amd.js
@@ -25,7 +25,7 @@ define(["require", "exports"], function(require, exports) {
         ...context,
         typewriter: {
           name: "gen-js",
-          version: "6.1.3"
+          version: "6.1.4"
         }
       };
     }
diff --git a/tests/commands/gen-js/__snapshots__/index.es5.js b/tests/commands/gen-js/__snapshots__/index.es5.js
index a97f25dd..c0ecb9e6 100644
--- a/tests/commands/gen-js/__snapshots__/index.es5.js
+++ b/tests/commands/gen-js/__snapshots__/index.es5.js
@@ -48,7 +48,7 @@ var Analytics = /** @class */ (function() {
     return __assign({}, context, {
       typewriter: {
         name: "gen-js",
-        version: "6.1.3"
+        version: "6.1.4"
       }
     });
   };
diff --git a/tests/commands/gen-js/__snapshots__/index.es5.node.js b/tests/commands/gen-js/__snapshots__/index.es5.node.js
index 0406484b..af23c057 100644
--- a/tests/commands/gen-js/__snapshots__/index.es5.node.js
+++ b/tests/commands/gen-js/__snapshots__/index.es5.node.js
@@ -48,7 +48,7 @@ var Analytics = /** @class */ (function() {
     return __assign({}, context, {
       typewriter: {
         name: "gen-js",
-        version: "6.1.3"
+        version: "6.1.4"
       }
     });
   };
diff --git a/tests/commands/gen-js/__snapshots__/index.js b/tests/commands/gen-js/__snapshots__/index.js
index ac765aed..5fbc1bd4 100644
--- a/tests/commands/gen-js/__snapshots__/index.js
+++ b/tests/commands/gen-js/__snapshots__/index.js
@@ -22,7 +22,7 @@ export default class Analytics {
       ...context,
       typewriter: {
         name: "gen-js",
-        version: "6.1.3"
+        version: "6.1.4"
       }
     };
   }
diff --git a/tests/commands/gen-js/__snapshots__/index.node.js b/tests/commands/gen-js/__snapshots__/index.node.js
index 42d0829d..c397a78d 100644
--- a/tests/commands/gen-js/__snapshots__/index.node.js
+++ b/tests/commands/gen-js/__snapshots__/index.node.js
@@ -23,7 +23,7 @@ class Analytics {
     return Object.assign({}, context, {
       typewriter: {
         name: "gen-js",
-        version: "6.1.3"
+        version: "6.1.4"
       }
     });
   }
diff --git a/tests/commands/gen-js/__snapshots__/index.prod.js b/tests/commands/gen-js/__snapshots__/index.prod.js
index b29d4682..8f290d35 100644
--- a/tests/commands/gen-js/__snapshots__/index.prod.js
+++ b/tests/commands/gen-js/__snapshots__/index.prod.js
@@ -14,7 +14,7 @@ export default class Analytics {
       ...context,
       typewriter: {
         name: "gen-js",
-        version: "6.1.3"
+        version: "6.1.4"
       }
     };
   }
diff --git a/tests/commands/gen-js/__snapshots__/index.prod.node.js b/tests/commands/gen-js/__snapshots__/index.prod.node.js
index 6e7bc625..a71f8147 100644
--- a/tests/commands/gen-js/__snapshots__/index.prod.node.js
+++ b/tests/commands/gen-js/__snapshots__/index.prod.node.js
@@ -15,7 +15,7 @@ class Analytics {
     return Object.assign({}, context, {
       typewriter: {
         name: "gen-js",
-        version: "6.1.3"
+        version: "6.1.4"
       }
     });
   }
diff --git a/tests/commands/gen-js/__snapshots__/index.system.js b/tests/commands/gen-js/__snapshots__/index.system.js
index cb408e40..33e0d9d0 100644
--- a/tests/commands/gen-js/__snapshots__/index.system.js
+++ b/tests/commands/gen-js/__snapshots__/index.system.js
@@ -29,7 +29,7 @@ System.register([], function(exports_1, context_1) {
             ...context,
             typewriter: {
               name: "gen-js",
-              version: "6.1.3"
+              version: "6.1.4"
             }
           };
         }
diff --git a/tests/commands/gen-js/__snapshots__/index.umd.js b/tests/commands/gen-js/__snapshots__/index.umd.js
index 11be71d7..1f04ca80 100644
--- a/tests/commands/gen-js/__snapshots__/index.umd.js
+++ b/tests/commands/gen-js/__snapshots__/index.umd.js
@@ -32,7 +32,7 @@
         ...context,
         typewriter: {
           name: "gen-js",
-          version: "6.1.3"
+          version: "6.1.4"
         }
       };
     }