diff --git a/main/commons-test/pom.xml b/main/commons-test/pom.xml
index 3b81fa1c8..fca60c305 100644
--- a/main/commons-test/pom.xml
+++ b/main/commons-test/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>commons-test</artifactId>
 	<name>Cryptomator common test dependencies</name>
diff --git a/main/commons/pom.xml b/main/commons/pom.xml
index 87f37452a..5c9b14017 100644
--- a/main/commons/pom.xml
+++ b/main/commons/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>commons</artifactId>
 	<name>Cryptomator common</name>
diff --git a/main/filesystem-api/pom.xml b/main/filesystem-api/pom.xml
index 76d3f7443..ebb3d0dab 100644
--- a/main/filesystem-api/pom.xml
+++ b/main/filesystem-api/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>filesystem-api</artifactId>
 	<name>Cryptomator filesystem: API</name>
diff --git a/main/filesystem-crypto-integration-tests/pom.xml b/main/filesystem-crypto-integration-tests/pom.xml
index 52bb3b72e..f6a55d042 100644
--- a/main/filesystem-crypto-integration-tests/pom.xml
+++ b/main/filesystem-crypto-integration-tests/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>filesystem-crypto-integration-tests</artifactId>
 	<name>Cryptomator filesystem: Encryption layer tests</name>
diff --git a/main/filesystem-crypto/pom.xml b/main/filesystem-crypto/pom.xml
index 183eabcfd..26ebe456d 100644
--- a/main/filesystem-crypto/pom.xml
+++ b/main/filesystem-crypto/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>filesystem-crypto</artifactId>
 	<name>Cryptomator filesystem: Encryption layer</name>
diff --git a/main/filesystem-crypto/src/main/java/org/cryptomator/crypto/engine/impl/CryptorImpl.java b/main/filesystem-crypto/src/main/java/org/cryptomator/crypto/engine/impl/CryptorImpl.java
index 383449911..aaa099cb9 100644
--- a/main/filesystem-crypto/src/main/java/org/cryptomator/crypto/engine/impl/CryptorImpl.java
+++ b/main/filesystem-crypto/src/main/java/org/cryptomator/crypto/engine/impl/CryptorImpl.java
@@ -13,7 +13,6 @@ import static org.cryptomator.crypto.engine.impl.Constants.CURRENT_VAULT_VERSION
 import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.security.InvalidKeyException;
-import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.security.SecureRandom;
 import java.util.Arrays;
@@ -25,7 +24,6 @@ import javax.crypto.spec.SecretKeySpec;
 import javax.security.auth.DestroyFailedException;
 import javax.security.auth.Destroyable;
 
-import org.apache.commons.lang3.ArrayUtils;
 import org.cryptomator.common.LazyInitializer;
 import org.cryptomator.crypto.engine.Cryptor;
 import org.cryptomator.crypto.engine.FileContentCryptor;
@@ -109,7 +107,7 @@ class CryptorImpl implements Cryptor {
 		assert keyFile != null;
 
 		// check version
-		if (!CURRENT_VAULT_VERSION.equals(keyFile.getVersion()) || ArrayUtils.isEmpty(keyFile.getVersionMac())) {
+		if (!CURRENT_VAULT_VERSION.equals(keyFile.getVersion())) {
 			throw new UnsupportedVaultFormatException(keyFile.getVersion(), CURRENT_VAULT_VERSION);
 		}
 
@@ -117,12 +115,13 @@ class CryptorImpl implements Cryptor {
 		try {
 			final SecretKey kek = new SecretKeySpec(kekBytes, ENCRYPTION_ALG);
 			this.macKey = AesKeyWrap.unwrap(kek, keyFile.getMacMasterKey(), MAC_ALG);
-			final Mac mac = new ThreadLocalMac(macKey, MAC_ALG).get();
-			final byte[] versionMac = mac.doFinal(ByteBuffer.allocate(Integer.BYTES).putInt(CURRENT_VAULT_VERSION).array());
-			if (!MessageDigest.isEqual(versionMac, keyFile.getVersionMac())) {
-				destroyQuietly(macKey);
-				throw new UnsupportedVaultFormatException(Integer.MAX_VALUE, CURRENT_VAULT_VERSION);
-			}
+			// future use (as soon as we need to prevent downgrade attacks):
+//			final Mac mac = new ThreadLocalMac(macKey, MAC_ALG).get();
+//			final byte[] versionMac = mac.doFinal(ByteBuffer.allocate(Integer.BYTES).putInt(CURRENT_VAULT_VERSION).array());
+//			if (!MessageDigest.isEqual(versionMac, keyFile.getVersionMac())) {
+//				destroyQuietly(macKey);
+//				throw new UnsupportedVaultFormatException(Integer.MAX_VALUE, CURRENT_VAULT_VERSION);
+//			}
 			this.encryptionKey = AesKeyWrap.unwrap(kek, keyFile.getEncryptionMasterKey(), ENCRYPTION_ALG);
 		} catch (InvalidKeyException e) {
 			throw new InvalidPassphraseException();
diff --git a/main/filesystem-crypto/src/test/java/org/cryptomator/crypto/engine/impl/CryptorImplTest.java b/main/filesystem-crypto/src/test/java/org/cryptomator/crypto/engine/impl/CryptorImplTest.java
index 3320f8398..de299c452 100644
--- a/main/filesystem-crypto/src/test/java/org/cryptomator/crypto/engine/impl/CryptorImplTest.java
+++ b/main/filesystem-crypto/src/test/java/org/cryptomator/crypto/engine/impl/CryptorImplTest.java
@@ -14,6 +14,7 @@ import org.cryptomator.crypto.engine.Cryptor;
 import org.cryptomator.crypto.engine.InvalidPassphraseException;
 import org.cryptomator.crypto.engine.UnsupportedVaultFormatException;
 import org.junit.Assert;
+import org.junit.Ignore;
 import org.junit.Test;
 
 public class CryptorImplTest {
@@ -48,6 +49,7 @@ public class CryptorImplTest {
 		cryptor.readKeysFromMasterkeyFile(testMasterKey.getBytes(), "asd");
 	}
 
+	@Ignore
 	@Test(expected = UnsupportedVaultFormatException.class)
 	public void testMasterkeyDecryptionWithMissingVersionMac() throws IOException {
 		final String testMasterKey = "{\"version\":3,\"scryptSalt\":\"AAAAAAAAAAA=\",\"scryptCostParam\":2,\"scryptBlockSize\":8," //
@@ -57,6 +59,7 @@ public class CryptorImplTest {
 		cryptor.readKeysFromMasterkeyFile(testMasterKey.getBytes(), "asd");
 	}
 
+	@Ignore
 	@Test(expected = UnsupportedVaultFormatException.class)
 	public void testMasterkeyDecryptionWithWrongVersionMac() throws IOException {
 		final String testMasterKey = "{\"version\":3,\"scryptSalt\":\"AAAAAAAAAAA=\",\"scryptCostParam\":2,\"scryptBlockSize\":8," //
diff --git a/main/filesystem-inmemory/pom.xml b/main/filesystem-inmemory/pom.xml
index 864c9cf64..ae432bb21 100644
--- a/main/filesystem-inmemory/pom.xml
+++ b/main/filesystem-inmemory/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>filesystem-inmemory</artifactId>
 	<name>Cryptomator filesystem: In-memory mock</name>
diff --git a/main/filesystem-invariants-tests/pom.xml b/main/filesystem-invariants-tests/pom.xml
index e096a5808..e16119a71 100644
--- a/main/filesystem-invariants-tests/pom.xml
+++ b/main/filesystem-invariants-tests/pom.xml
@@ -9,7 +9,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>filesystem-invariants-tests</artifactId>
 	<name>Cryptomator filesystem: Invariants tests</name>
diff --git a/main/filesystem-nameshortening/pom.xml b/main/filesystem-nameshortening/pom.xml
index 1c0f54b0b..ea90e7ac8 100644
--- a/main/filesystem-nameshortening/pom.xml
+++ b/main/filesystem-nameshortening/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>filesystem-nameshortening</artifactId>
 	<name>Cryptomator filesystem: Name shortening layer</name>
diff --git a/main/filesystem-nio/pom.xml b/main/filesystem-nio/pom.xml
index ba69155dd..1fc9a3fbf 100644
--- a/main/filesystem-nio/pom.xml
+++ b/main/filesystem-nio/pom.xml
@@ -7,7 +7,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>filesystem-nio</artifactId>
 	<name>Cryptomator filesystem: NIO-based physical layer</name>
diff --git a/main/filesystem-stats/pom.xml b/main/filesystem-stats/pom.xml
index 4c11ccc56..5e1d947a3 100644
--- a/main/filesystem-stats/pom.xml
+++ b/main/filesystem-stats/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>filesystem-stats</artifactId>
 	<name>Cryptomator filesystem: Throughput statistics</name>
diff --git a/main/frontend-api/pom.xml b/main/frontend-api/pom.xml
index d5fdb044d..f8617fc28 100644
--- a/main/frontend-api/pom.xml
+++ b/main/frontend-api/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>frontend-api</artifactId>
 	<name>Cryptomator frontend: API</name>
diff --git a/main/frontend-webdav/pom.xml b/main/frontend-webdav/pom.xml
index a003e7e1e..ce65c0100 100644
--- a/main/frontend-webdav/pom.xml
+++ b/main/frontend-webdav/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>frontend-webdav</artifactId>
 	<name>Cryptomator frontend: WebDAV frontend</name>
diff --git a/main/pom.xml b/main/pom.xml
index bd65326e2..51b9f8a93 100644
--- a/main/pom.xml
+++ b/main/pom.xml
@@ -7,7 +7,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>org.cryptomator</groupId>
 	<artifactId>main</artifactId>
-	<version>0.12.0-SNAPSHOT</version>
+	<version>1.0.0</version>
 	<packaging>pom</packaging>
 	<name>Cryptomator</name>
 
diff --git a/main/uber-jar/pom.xml b/main/uber-jar/pom.xml
index fd7898499..6163b9916 100644
--- a/main/uber-jar/pom.xml
+++ b/main/uber-jar/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>uber-jar</artifactId>
 	<packaging>pom</packaging>
diff --git a/main/ui/pom.xml b/main/ui/pom.xml
index 141baee70..06c071636 100644
--- a/main/ui/pom.xml
+++ b/main/ui/pom.xml
@@ -12,7 +12,7 @@
 	<parent>
 		<groupId>org.cryptomator</groupId>
 		<artifactId>main</artifactId>
-		<version>0.12.0-SNAPSHOT</version>
+		<version>1.0.0</version>
 	</parent>
 	<artifactId>ui</artifactId>
 	<name>Cryptomator GUI</name>