diff --git a/HISTORY.md b/HISTORY.md
index 2830fed..e30a0ec 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,9 @@
 # History.md
 
+## v0.9.0 2024-09-13
+- Add arguments `shift` and `marker` to functions `phasorsine` and
+  `phasorcosine`
+
 ## v0.8.2 2024-09-04
 - Fix documentation and plotting of `lengthdimension` due to problem with
     non-relative coordinates
diff --git a/Project.toml b/Project.toml
index 9a5bad8..b9af4fc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ElectricalEngineering"
 uuid = "84e62fa8-74a0-5990-9214-c45bd74ae4d7"
 authors = ["Christian Kral <dr.christian.kral@gmail.com>"]
-version = "0.8.2"
+version = "0.9.0"
 
 [deps]
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"