diff --git a/VERSION b/VERSION
index 4f08b9f..aebc9fe 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-MsSpec-1.4post3
+MsSpec-1.4post4
diff --git a/license.txt b/license.txt
index 3d50ac0..32fb093 100644
--- a/license.txt
+++ b/license.txt
@@ -1 +1,14 @@
-Realeased under the GNU General Public License <http://www.gnu.org/licenses/>.
+LICENSE NOTICE
+==============
+MsSpec is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+MsSpec is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with MsSpec.  If not, see <http://www.gnu.org/licenses/>.
diff --git a/src/msspec/__init__.py b/src/msspec/__init__.py
index a19c6ca..e53b9b1 100644
--- a/src/msspec/__init__.py
+++ b/src/msspec/__init__.py
@@ -1 +1 @@
-__version__ = '1.4post3'
+__version__ = '1.4post4'
diff --git a/src/msspec/msspecgui/__init__.py b/src/msspec/msspecgui/__init__.py
index a19c6ca..e53b9b1 100644
--- a/src/msspec/msspecgui/__init__.py
+++ b/src/msspec/msspecgui/__init__.py
@@ -1 +1 @@
-__version__ = '1.4post3'
+__version__ = '1.4post4'