diff --git a/.travis.yml b/.travis.yml
index 41333915f..4aa29bccd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -60,7 +60,7 @@ before_deploy:
   fi
 - mvn -fmain/pom.xml clean package -Prelease -DskipTests
 - gpg --import 34C80F11.gpg
-- gpg --detach-sign -a -u 34C80F11 --batch --passphrase ${GPG_PASSPHRASE} main/ant-kit/target/antkit.tar.gz
+- gpg --detach-sign -a -u 34C80F11 --batch --passphrase ${GPG_PASSPHRASE} main/ant-kit/target/antkit.zip
 deploy:
 - provider: releases # CONTINUOUS
   prerelease: true
@@ -70,8 +70,8 @@ deploy:
   file_glob: true
   file:
   - "main/uber-jar/target/Cryptomator-*.jar"
-  - "main/ant-kit/target/antkit.tar.gz"
-  - "main/ant-kit/target/antkit.tar.gz.asc"
+  - "main/ant-kit/target/antkit.zip"
+  - "main/ant-kit/target/antkit.zip.asc"
   skip_cleanup: true
   name: Cryptomator continuous build
   body: Automatically built on $(date +'%F %T %Z').
@@ -84,8 +84,8 @@ deploy:
   api_key: $GITHUB_API_KEY
   file:
   - "main/uber-jar/target/Cryptomator-$TRAVIS_TAG.jar"
-  - "main/ant-kit/target/antkit.tar.gz"
-  - "main/ant-kit/target/antkit.tar.gz.asc"
+  - "main/ant-kit/target/antkit.zip"
+  - "main/ant-kit/target/antkit.zip.asc"
   skip_cleanup: true
   on:
     repo: cryptomator/cryptomator
diff --git a/main/ant-kit/assembly.xml b/main/ant-kit/assembly.xml
index 182a1b654..661711fe4 100644
--- a/main/ant-kit/assembly.xml
+++ b/main/ant-kit/assembly.xml
@@ -4,7 +4,7 @@
 	<id>tarball</id>
 	<includeBaseDirectory>false</includeBaseDirectory>
 	<formats>
-		<format>tar.gz</format>
+		<format>zip</format>
 	</formats>
 	<fileSets>
 		<fileSet>
diff --git a/main/ant-kit/pom.xml b/main/ant-kit/pom.xml
index 824699e71..acd09e3f5 100644
--- a/main/ant-kit/pom.xml
+++ b/main/ant-kit/pom.xml
@@ -73,7 +73,7 @@
 				</executions>
 			</plugin>
 
-			<!-- create antkit.tar.gz: -->
+			<!-- create antkit.zip: -->
 			<plugin>
 				<artifactId>maven-assembly-plugin</artifactId>
 				<version>3.1.0</version>