diff --git a/README.md b/README.md
index 87a9c48..4bb62eb 100644
--- a/README.md
+++ b/README.md
@@ -21,3 +21,8 @@ were required to allow this.
 The source code was also run through a formatter to correct the
 heavy mix of tabs and spaces. I have no idea how it even ran with
 such inconsistent indentation."
+
+In version 4.0 the following was fixed: the involuntary volume raise issue,
+volume detection and implementation of --color=never for grep.
+
+Thanks again to kabili207 :)
diff --git a/bin/pulseaudio-equalizer b/bin/pulseaudio-equalizer
index e8f37a4..43b04ef 100755
--- a/bin/pulseaudio-equalizer
+++ b/bin/pulseaudio-equalizer
@@ -21,7 +21,7 @@ PA_CURRENT_PRESET=""
 PRESET_DIR1=$HOME/.config/pulse/presets
 PRESET_DIR2=/usr/share/pulseaudio-equalizer/presets
 SCRIPT_NAME=pulseaudio-equalizer
-SCRIPT_VERSION="3.0 (06.12.2016)"
+SCRIPT_VERSION="4.0 (29.01.2017)"
 CONFIG_NAME=$HOME/.config/pulse/equalizerrc
 LOG_NAME=$HOME/pulseaudio-equalizer.log