diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c4ddc74..c3f1463 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "1.1.1"
+  ".": "1.2.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 58e430c..6e7b2b5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [1.2.0](https://github.com/Lucas-Bur/effect-memfs/compare/effect-memfs-v1.1.1...effect-memfs-v1.2.0) (2026-07-15)
+
+
+### Features
+
+* derive in-memory layer from another FileSystem ([#5](https://github.com/Lucas-Bur/effect-memfs/issues/5)) ([f5acef5](https://github.com/Lucas-Bur/effect-memfs/commit/f5acef57da9bc73e3be6a192b479401db01158cf))
+
 ## [1.1.1](https://github.com/Lucas-Bur/effect-memfs/compare/effect-memfs-v1.1.0...effect-memfs-v1.1.1) (2026-06-26)
 
 
diff --git a/package.json b/package.json
index ce6d1a4..5aca8b7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@lucas-bur/effect-memfs",
-  "version": "1.1.1",
+  "version": "1.2.0",
   "description": "In-memory file system for Effect v4. Great for mocking, tests, simulating files and keeping files in memory. Duh.",
   "keywords": [
     "effect",