diff --git a/README.md b/README.md
index c246a32..67dbddc 100644
--- a/README.md
+++ b/README.md
@@ -255,6 +255,10 @@ See issue [#4][GH4] for inspiration. PRs are welcomed.
 
 ## Changelog
 
+- 1.2.0
+  - Avoid loading `SoftwareSerial` library with `-D NO_SW_SERIAL_REQUIRED` compilation flag  [PR24][]
+  - Update OLED library used on examples
+  - Enable STM32F103C8 Serial1
 - 1.1.1
   - Fix SoftwareSerial dangling pointer [#19][GH19]/[PR20][]
   - ESP8266 no longer requires EspSoftwareSerial
@@ -281,3 +285,4 @@ See issue [#4][GH4] for inspiration. PRs are welcomed.
 [PR17]: https://github.com/avaldebe/PMserial/pull/17
 [GH19]: https://github.com/avaldebe/PMserial/issues/19
 [PR20]: https://github.com/avaldebe/PMserial/pull/20
+[PR24]: https://github.com/avaldebe/PMserial/pull/24
diff --git a/library.json b/library.json
index 84d8ec1..7558508 100644
--- a/library.json
+++ b/library.json
@@ -8,7 +8,7 @@
         "type": "git",
         "url": "https://github.com/avaldebe/PMserial"
     },
-    "version": "1.1.1",
+    "version": "1.2.0",
     "authors": {
         "name": "Alvaro Valdebenito",
         "url": "https://github.com/avaldebe"
diff --git a/library.properties b/library.properties
index 48bccd6..9ce4c77 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=PMSerial
-version=1.1.1
+version=1.2.0
 author=Alvaro Valdebenito <avaldebe@gmail.com>
 maintainer=Alvaro Valdebenito <avaldebe@gmail.com>
 sentence=A library for PM sensors with serial interface