diff --git a/release.ps1 b/release.ps1
index 5a3e2d3..e521ecc 100644
--- a/release.ps1
+++ b/release.ps1
@@ -2,4 +2,5 @@ $now = Get-Date -UFormat "%Y-%m-%d_%T"
 $sha1 = (git rev-parse HEAD).Trim().Substring(0, 8)
 $version = (git describe --tags $(git rev-list --tags --max-count=1)).Trim()
 
-go build -ldflags "-X main.sha1ver=$sha1 -X main.buildTime=$now  -X main.semVer=$version -H=windowsgui" -o Kalenderwoche.exe
+go build -ldflags "-s -w -X main.sha1ver=$sha1 -X main.buildTime=$now  -X main.semVer=$version -H=windowsgui" -o Kalenderwoche.exe
+upx .\Kalenderwoche.exe
\ No newline at end of file