diff --git a/.gitignore b/.gitignore
index ac678a4..8c00cc0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@
 /v0.2.1.tar.gz
 /v0.2.2.tar.gz
 /v0.3.tar.gz
+/v0.4.tar.gz
diff --git a/3dprinter-udev-rules.spec b/3dprinter-udev-rules.spec
index be12868..1207cd0 100644
--- a/3dprinter-udev-rules.spec
+++ b/3dprinter-udev-rules.spec
@@ -1,5 +1,5 @@
 Name:           3dprinter-udev-rules
-Version:        0.3
+Version:        0.4
 Release:        %autorelease
 Summary:        Rules for udev to give regular users access to operate 3D printers
 License:        MIT-0
diff --git a/sources b/sources
index e4c750f..468c62b 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (v0.3.tar.gz) = 78c6107c12742aeb25351874e86a4681e608433708646642c0e44257c9426c6fd753da15f07cc9fc2ba69717e26298552fdbf2cd8e93c1a90964529f0bdb45f8
+SHA512 (v0.4.tar.gz) = ea05963ef5cf3a3eaf03c12e9cddbd1c7ef42d48836acac14e5a3e78d616d116819e6e7acef3f2d94388dce9f39ebac859e8e1d1261ac28cf25d1f5c28fdd56e