diff --git a/common/src/main/java/bisq/common/crypto/Sig.java b/common/src/main/java/bisq/common/crypto/Sig.java
index c167e62531..ede991f603 100644
--- a/common/src/main/java/bisq/common/crypto/Sig.java
+++ b/common/src/main/java/bisq/common/crypto/Sig.java
@@ -59,7 +59,7 @@ public class Sig {
         long ts = System.currentTimeMillis();
         try {
             KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance(KEY_ALGO);
-            keyPairGenerator.initialize(1024);
+            keyPairGenerator.initialize(2048);
             return keyPairGenerator.genKeyPair();
         } catch (NoSuchAlgorithmException e) {
             log.error("Could not create key.", e);
diff --git a/p2p/src/test/java/bisq/network/p2p/TestUtils.java b/p2p/src/test/java/bisq/network/p2p/TestUtils.java
index 8ff9168e2e..ad550e8791 100644
--- a/p2p/src/test/java/bisq/network/p2p/TestUtils.java
+++ b/p2p/src/test/java/bisq/network/p2p/TestUtils.java
@@ -45,7 +45,7 @@ public class TestUtils {
     public static KeyPair generateKeyPair() throws NoSuchAlgorithmException {
         long ts = System.currentTimeMillis();
         final KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("DSA");
-        keyPairGenerator.initialize(1024);
+        keyPairGenerator.initialize(2048);
         KeyPair keyPair = keyPairGenerator.genKeyPair();
         log.trace("Generate storageSignatureKeyPair needed {} ms", System.currentTimeMillis() - ts);
         return keyPair;